added scroll view to support landscape view

app/src/main/res/layout/file_attachments_dialog.xml

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingBottom="16dp">
@@ -95,5 +99,6 @@
             android:layout_margin="16dp"
             style="@style/Base.Widget.AppCompat.Button.Borderless"
             android:text="@string/msg_cancel" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</ScrollView>
\ No newline at end of file