replace tooltip animation with exist tooltip, redundancy reduced, search optimized, add new icons copy and stair (for path folllow)

custom_file_dialog/cfd_search_manager.py

@@ -201,8 +201,9 @@ class SearchManager:
 
     def show_search_results_treeview(self) -> None:
         """Displays the search results in a dedicated Treeview."""
-        for widget in self.dialog.widget_manager.file_list_frame.winfo_children():
-            widget.destroy()
+        if self.dialog.widget_manager.file_list_frame.winfo_exists():
+            for widget in self.dialog.widget_manager.file_list_frame.winfo_children():
+                widget.destroy()
 
         tree_frame = ttk.Frame(self.dialog.widget_manager.file_list_frame)
         tree_frame.pack(fill='both', expand=True)
@@ -280,14 +281,25 @@ class SearchManager:
 
         def on_search_double_click(event: tk.Event) -> None:
             selection = search_tree.selection()
-            if selection:
-                item = search_tree.item(selection[0])
-                filename = item['text'].strip()
-                directory = item['values'][0]
+            if not selection:
+                return
 
+            item = search_tree.item(selection[0])
+            filename = item['text'].strip()
+            directory = item['values'][0]
+            full_path = os.path.join(directory, filename)
+
+            if not os.path.exists(full_path):
+                return  # Item no longer exists
+
+            if os.path.isdir(full_path):
+                # For directories, navigate into them
                 self.hide_search_bar()
-                self.dialog.navigation_manager.navigate_to(
-                    directory, file_to_select=filename)
+                self.dialog.navigation_manager.navigate_to(full_path)
+            else:
+                # For files, select it and close the dialog
+                self.dialog.selected_file = full_path
+                self.dialog.destroy()
 
         search_tree.bind("<Double-1>", on_search_double_click)