feat(Collapse): supports `targetHeight` attribute

tests/ui/modules/Common/Collapse.qml

@@ -9,7 +9,8 @@ import Common.Styles 1.0
 Item {
   id: collapse
 
-  property var target
+  property alias target: targetChanges.target
+  property int targetHeight
 
   property bool _collapsed: false
 
@@ -50,13 +51,12 @@ Item {
     }
 
     PropertyChanges {
-      target: collapse.target
-
-        height: 480
-        maximumHeight: 99999
-        maximumWidth: 99999
-        minimumHeight: 480
+      id: targetChanges
 
+      height: collapse.targetHeight
+      maximumHeight: 99999
+      maximumWidth: 99999
+      minimumHeight: collapse.targetHeight
     }
   }
 

tests/ui/modules/Common/Popup/AbstractDropDownMenu.qml

@@ -134,7 +134,7 @@ Item {
         }
 
         ScriptAction {
-          script: menuopened()
+          script: menuOpened()
         }
       }
     },

tests/ui/views/MainWindow/MainWindow.qml

@@ -42,6 +42,7 @@ ApplicationWindow {
         Layout.fillHeight: parent.height
         Layout.preferredWidth: 25
         target: window
+        targetHeight: 480
       }
 
       // User info.