fix systray gadget segv if menu up when tray item goes away

the systray gadget code didnt deal with this case of menu up but item
vanishes. quite bad. now the menu is freed and hiddtne/popped down
when the item is removed.

fixes T8842
@fix

src/modules/systray/e_mod_notifier_host.c

@@ -32,6 +32,13 @@ systray_notifier_item_free(Notifier_Item *item)
           }
         if (!ii)
           continue;
+        if (ii->menu)
+          {
+             e_menu_post_deactivate_callback_set(ii->menu, NULL, NULL);
+             e_object_del(E_OBJECT(ii->menu));
+             ii->menu = NULL;
+             e_menu_hide_all();
+          }
         host_inst->ii_list = eina_inlist_remove(host_inst->ii_list,
                                                 EINA_INLIST_GET(ii));
         evas_object_del(ii->icon);
@@ -156,6 +163,7 @@ _menu_post_deactivate(void *data, E_Menu *m)
    E_Menu_Item *mi;
    E_Gadcon *gadcon = data;
    E_DBusMenu_Item *item;
+   Instance_Notifier_Host *host_inst;
 
    item = e_object_data_get(E_OBJECT(m));
    if (item)
@@ -175,6 +183,18 @@ _menu_post_deactivate(void *data, E_Menu *m)
           }
         if (mi->submenu) e_menu_deactivate(mi->submenu);
      }
+   EINA_INLIST_FOREACH(ctx->instances, host_inst)
+     {
+        Notifier_Item_Icon *ii;
+        EINA_INLIST_FOREACH(host_inst->ii_list, ii)
+          {
+             if (ii->menu == m)
+               {
+                  ii->menu = NULL;
+                  break;
+               }
+          }
+     }
    e_object_del(E_OBJECT(m));
 }
 
@@ -235,8 +255,13 @@ _clicked_item_cb(void *data, Evas *evas, Evas_Object *obj EINA_UNUSED, void *eve
    if (!ii->item->dbus_item) return;
    root_item = ii->item->dbus_item;
    EINA_SAFETY_ON_FALSE_RETURN(root_item->is_submenu);
-
-   m = _item_submenu_new(root_item, NULL);
+   if (ii->menu)
+     {
+        e_menu_post_deactivate_callback_set(ii->menu, NULL, NULL);
+        e_object_del(E_OBJECT(ii->menu));
+        ii->menu = NULL;
+     }
+   m = ii->menu = _item_submenu_new(root_item, NULL);
    e_gadcon_locked_set(gadcon, 1);
    e_menu_post_deactivate_callback_set(m, _menu_post_deactivate, gadcon);
 

src/modules/systray/e_mod_notifier_host_private.h

@@ -24,6 +24,7 @@ typedef struct _Notifier_Data
    EINA_INLIST;
    Notifier_Item *item;
    Evas_Object *icon;
+   E_Menu *menu;
 } Notifier_Item_Icon;
 
 struct _Instance_Notifier_Host