Fix scene tab color not updated when theme changed

editor/editor_node.cpp

@@ -342,6 +342,8 @@ void EditorNode::_notification(int p_what) {
 		play_button_panel->add_style_override("panel", gui_base->get_stylebox("PlayButtonPanel", "EditorStyles"));
 		scene_root_parent->add_style_override("panel", gui_base->get_stylebox("Content", "EditorStyles"));
 		bottom_panel->add_style_override("panel", gui_base->get_stylebox("Content", "EditorStyles"));
+		scene_tabs->add_style_override("tab_fg", gui_base->get_stylebox("SceneTabFG", "EditorStyles"));
+		scene_tabs->add_style_override("tab_bg", gui_base->get_stylebox("SceneTabBG", "EditorStyles"));
 		if (bool(EDITOR_DEF("interface/scene_tabs/resize_if_many_tabs", true))) {
 			scene_tabs->set_min_width(int(EDITOR_DEF("interface/scene_tabs/minimum_width", 50)) * EDSCALE);
 		} else {