fix for #60523. make sure that the current profile is visible on startup

and any newly created profile is visible after creation. sr=alecf

profile/resources/content/profileManager.js

@@ -42,8 +42,10 @@ function CreateProfile( aProfName, aProfDir )
   var profile = new Profile( aProfName, aProfDir, "yes" );
   var item = AddItem( "profilekids", profile );
   var profileTree = document.getElementById( "profiles" );
-  if( item )
+  if( item ) {
     profileTree.selectItem( item );
+    profileTree.ensureElementIsVisible( item );
+  }
 }
 
 // rename the selected profile
@@ -154,8 +156,10 @@ function DeleteProfile( deleteFiles )
     }
     catch (ex) {
     }
-    if( firstAdjacent )
+    if( firstAdjacent ) {
       profileTree.selectItem( firstAdjacent );
+      profileTree.ensureElementIsVisible( firstAdjacent );
+    }
     // set the button state
     DoEnabling();
   }

profile/resources/content/profileSelection.js

@@ -85,8 +85,10 @@ function highlightCurrentProfile()
       return;
     var currentProfileItem = document.getElementById( ( "profileName_" + currentProfile ) );
     var profileList = document.getElementById( "profiles" );
-    if( currentProfileItem )
+    if( currentProfileItem ) {
       profileList.selectItem( currentProfileItem );
+      profileList.ensureElementIsVisible( currentProfileItem );
+    }
   }
   catch(e) {
     dump("*** failed to select current profile in list\n");