Android Editor: Set the window color to match background color

editor/editor_node.cpp

@@ -690,6 +690,9 @@ void EditorNode::_update_theme(bool p_skip_creation) {
 	editor_dock_manager->update_tab_styles();
 	editor_dock_manager->update_docks_menu();
 	editor_dock_manager->set_tab_icon_max_width(theme->get_constant(SNAME("class_icon_size"), EditorStringName(Editor)));
+#ifdef ANDROID_ENABLED
+	DisplayServer::get_singleton()->window_set_color(theme->get_color(SNAME("background"), EditorStringName(Editor)));
+#endif
 }
 
 Ref<Texture2D> EditorNode::_get_editor_theme_native_menu_icon(const StringName &p_name, bool p_global_menu, bool p_dark_mode) const {

editor/project_manager/project_manager.cpp

@@ -297,6 +297,9 @@ void ProjectManager::_update_theme(bool p_skip_creation) {
 			asset_library->add_theme_style_override(SceneStringName(panel), memnew(StyleBoxEmpty));
 		}
 	}
+#ifdef ANDROID_ENABLED
+	DisplayServer::get_singleton()->window_set_color(theme->get_color(SNAME("background"), EditorStringName(Editor)));
+#endif
 }
 
 Button *ProjectManager::_add_main_view(MainViewTab p_id, const String &p_name, const Ref<Texture2D> &p_icon, Control *p_view_control) {