Updated dialog names to be distinct

resources/add_account.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Dialog</class>
- <widget class="QDialog" name="Dialog">
+ <class>add_account_dialog</class>
+ <widget class="QDialog" name="add_account_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -615,7 +615,7 @@
   <connection>
    <sender>reject_button</sender>
    <signal>clicked()</signal>
-   <receiver>Dialog</receiver>
+   <receiver>add_account_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/export_private_key_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Dialog</class>
- <widget class="QDialog" name="Dialog">
+ <class>export_key_dialog</class>
+ <widget class="QDialog" name="export_key_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -211,7 +211,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>accepted()</signal>
-   <receiver>Dialog</receiver>
+   <receiver>export_key_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -227,7 +227,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>rejected()</signal>
-   <receiver>Dialog</receiver>
+   <receiver>export_key_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/generate_pgp_key_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Dialog</class>
- <widget class="QDialog" name="Dialog">
+ <class>generate_pgp_dialog</class>
+ <widget class="QDialog" name="generate_pgp_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -121,7 +121,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>accepted()</signal>
-   <receiver>Dialog</receiver>
+   <receiver>generate_pgp_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -137,7 +137,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>rejected()</signal>
-   <receiver>Dialog</receiver>
+   <receiver>generate_pgp_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/import_private_key_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>dialog</class>
- <widget class="QDialog" name="dialog">
+ <class>import_key_dialog</class>
+ <widget class="QDialog" name="import_key_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -244,7 +244,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>rejected()</signal>
-   <receiver>dialog</receiver>
+   <receiver>import_key_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -260,7 +260,7 @@
   <connection>
    <sender>dialog_button_box</sender>
    <signal>accepted()</signal>
-   <receiver>dialog</receiver>
+   <receiver>import_key_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">

resources/incoming_calltransfer_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>dialog</class>
- <widget class="QDialog" name="dialog">
+ <class>incoming_calltransfer_dialog</class>
+ <widget class="QDialog" name="incoming_calltransfer_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -338,7 +338,7 @@
   <connection>
    <sender>accept_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_calltransfer_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -354,7 +354,7 @@
   <connection>
    <sender>reject_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_calltransfer_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/incoming_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>dialog</class>
- <widget class="QDialog" name="dialog">
+ <class>incoming_dialog</class>
+ <widget class="QDialog" name="incoming_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -633,7 +633,7 @@
   <connection>
    <sender>accept_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -649,7 +649,7 @@
   <connection>
    <sender>reject_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -665,7 +665,7 @@
   <connection>
    <sender>busy_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/incoming_filetransfer_dialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>dialog</class>
- <widget class="QDialog" name="dialog">
+ <class>incoming_filetransfer_dialog</class>
+ <widget class="QDialog" name="incoming_filetransfer_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -341,7 +341,7 @@
   <connection>
    <sender>accept_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_filetransfer_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -357,7 +357,7 @@
   <connection>
    <sender>reject_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>incoming_filetransfer_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">

resources/pending_watcher.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>dialog</class>
- <widget class="QDialog" name="dialog">
+ <class>pending_watcher_dialog</class>
+ <widget class="QDialog" name="pending_watcher_dialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -346,7 +346,7 @@
   <connection>
    <sender>accept_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>pending_watcher_dialog</receiver>
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
@@ -362,7 +362,7 @@
   <connection>
    <sender>block_button</sender>
    <signal>clicked()</signal>
-   <receiver>dialog</receiver>
+   <receiver>pending_watcher_dialog</receiver>
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">