### Godot version

v4.1.1.stable.official [bd6af8e0e]

### System information

Godot v4.1.1.stable - Debian GNU/Linux trixie/sid trixie - Vulkan (Compatibility) - Mesa Intel(R) HD Graphics 520 (SKL GT2) () - Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz (4 Threads)

### Issue description

After right clicking in thet "Filter Nodes" menu in the scene tree dock, the sub-menu is populated with a "Search" icon.

If I later switch themes in the same session, this icon is never updated to match the new theme.

![image](https://github.com/godotengine/godot/assets/660911/14336bb3-12ca-48c8-b030-8ada6ac27ec6)


### Steps to reproduce

1. Right click in the "Filter Nodes" menu in scene tree dock
2. Switch themes
3. Right click again in the "Filter Nodes" menu

Expected result: Icon has updated to match the theme I am currently using
Actual result: Icon is still using the theme I launched Godot with

### Minimal reproduction project

N/A
}
			} else {
				switch (p_tool) {
					case TOOL_CREATE_2D_SCENE:
						new_node = memnew(Node2D);
						break;
					case TOOL_CREATE_3D_SCENE:
						new_node = memnew(Node3D);
						break;
					case TOOL_CREATE_USER_INTERFACE: {
						Control *node = memnew(Control);
						
						node->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
						node->set_grow_direction_preset(PRESET_FULL_RECT);
						new_node = node;
					} break;
				}
			}
			add_root_node(new_node);
			EditorNode::get_singleton()->edit_node(new_node);
			editor_selection->clear();
			editor_selection->add_node(new_node);
			scene_tree->get_scene_tree()->grab_focus();
		} break;
		default: {
			_filter_option_selected(p_tool);
			if (p_tool >= EDIT_SUBRESOURCE_BASE) {
				int idx = p_tool - EDIT_SUBRESOURCE_BASE;
				ERR_FAIL_INDEX(idx, subresources.size());
				Object *obj = ObjectDB::get_instance(subresources[idx]);