### 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
}
	if (selection.size() == 1) {
		if (profile_allow_editing) {
			menu->add_separator();
			menu->add_icon_shortcut(get_theme_icon(SNAME("CreateNewSceneFrom"), SNAME("EditorIcons")), ED_GET_SHORTCUT("scene_tree/save_branch_as_scene"), TOOL_NEW_SCENE_FROM);
		}
		if (full_selection.size() == 1) {
			menu->add_separator();
			menu->add_icon_shortcut(get_theme_icon(SNAME("CopyNodePath"), SNAME("EditorIcons")), ED_GET_SHORTCUT("scene_tree/copy_node_path"), TOOL_COPY_NODE_PATH);
		}
	}
	if (profile_allow_editing) {
		
		bool all_owned = true;
		for (Node *node : full_selection) {
			if (node->get_owner() != EditorNode::get_singleton()->get_edited_scene()) {
				all_owned = false;
				break;
			}
		}
		if (all_owned) {
			
			if (menu->get_item_index(TOOL_COPY_NODE_PATH) == -1) {
				menu->add_separator();
			}
			Node *node = full_selection[0];
			menu->add_icon_shortcut(get_theme_icon(SNAME("SceneUniqueName"), SNAME("EditorIcons")), ED_GET_SHORTCUT("scene_tree/toggle_unique_name"), TOOL_TOGGLE_SCENE_UNIQUE_NAME);
			menu->set_item_text(menu->get_item_index(TOOL_TOGGLE_SCENE_UNIQUE_NAME), node->is_unique_name_in_owner() ? TTR("Revoke Unique Name") : TTR("Access as Unique Name"));
		}
	}