Fix room list highlight when going to account page

Correctly set it when going to an account settings or add chat page by
using the account context menu, the add chat button or keybinds.

src/gui/MainPane/RoomList.qml

@@ -33,6 +33,8 @@ HListView {
                 onLeftClicked: showItemAtIndex(model.index)
                 onCollapsedChanged:
                     if (wantedUserId === model.id) startCorrectItemSearch()
+
+                onWentToAccountPage: roomList.currentIndex = model.index
             }
         }