actions: Cancel action update idle callbacks during dispose for

non-NemoView types.

Author: mtwebster

src/nemo-blank-desktop-window.c

@@ -237,6 +237,8 @@ nemo_blank_desktop_window_dispose (GObject *obj)
 {
     NemoBlankDesktopWindow *window = NEMO_BLANK_DESKTOP_WINDOW (obj);
 
+    g_clear_handle_id (&window->details->actions_changed_idle_id, g_source_remove);
+
     if (window->details->actions_changed_id > 0) {
         g_signal_handler_disconnect (nemo_desktop_manager_get_action_manager (),
                              window->details->actions_changed_id);

src/nemo-places-sidebar.c

@@ -4398,6 +4398,8 @@ nemo_places_sidebar_dispose (GObject *object)
 
 	free_drag_data (sidebar);
 
+    g_clear_handle_id (&sidebar->actions_changed_idle_id, g_source_remove);
+
 	if (sidebar->bookmarks_changed_id != 0) {
 		g_signal_handler_disconnect (sidebar->bookmarks,
 					     sidebar->bookmarks_changed_id);

src/nemo-tree-sidebar.c

@@ -1754,6 +1754,8 @@ fm_tree_view_dispose (GObject *object)
 
 	view = FM_TREE_VIEW (object);
 
+    g_clear_handle_id (&view->details->actions_changed_idle_id, g_source_remove);
+
 	if (view->details->selection_changed_timer) {
 		g_source_remove (view->details->selection_changed_timer);
 		view->details->selection_changed_timer = 0;