treeview: Always call grab_focus_without_selecting on search entry
The search text entry is always a GtkText widget, not GtkEntry. If a custom search entry is set, this part of the code is never reached.
Fixes #4551 (closed)
The search text entry is always a GtkText widget, not GtkEntry. If a custom search entry is set, this part of the code is never reached.
Fixes #4551 (closed)