file_manager: Check tag before querying current path (talonhub#1442)

Also bugfix the clearing of the current page numbers.

tags/file_manager/file_manager.py

@@ -325,7 +325,7 @@ def gui_files(gui: imgui.GUI):
 
 
 def clear_lists():
-    global folder_selections, file_selections
+    global folder_selections, file_selections, current_folder_page, current_file_page
     if (
         len(ctx.lists["self.file_manager_directories"]) > 0
         or len(ctx.lists["self.file_manager_files"]) > 0
@@ -398,12 +398,15 @@ def win_event_handler(window):
     if not window.app.exe or window != ui.active_window():
         return
 
-    path = actions.user.file_manager_current_path()
-
     if "user.file_manager" not in registry.tags:
         actions.user.file_manager_hide_pickers()
         clear_lists()
-    elif path:
+        cached_path = None
+        return
+
+    path = actions.user.file_manager_current_path()
+
+    if path:
         if cached_path != path:
             update_lists(path)
     elif cached_path: