always set gadget ids when creating new non-demo gadgets

ensure gadgets aren't pruned on edit end

src/modules/pager/gadget/pager.c

@@ -2959,12 +2959,13 @@ pager_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *e
 }
 
 EINTERN Evas_Object *
-pager_create(Evas_Object *parent, int *id EINA_UNUSED, E_Gadget_Site_Orient orient EINA_UNUSED)
+pager_create(Evas_Object *parent, int *id, E_Gadget_Site_Orient orient EINA_UNUSED)
 {
    Pager *p;
    Evas_Object *o;
    Instance *inst;
 
+   if (*id == 0) *id = 1;
    inst = E_NEW(Instance, 1);
    p = _pager_new(evas_object_evas_get(parent), EINA_FALSE);
    p->inst = inst;

src/modules/start/start.c

@@ -195,12 +195,13 @@ _gadget_created(void *data, Evas_Object *obj, void *event_info)
 }
 
 EINTERN Evas_Object *
-start_create(Evas_Object *parent, int *id EINA_UNUSED, E_Gadget_Site_Orient orient)
+start_create(Evas_Object *parent, int *id, E_Gadget_Site_Orient orient)
 {
    Evas_Object *o;
    Instance *inst;
 
    if (e_gadget_site_is_desklock(parent)) return NULL;
+   if (*id == 0) *id = 1;
    inst = E_NEW(Instance, 1);
 
    o = elm_layout_add(parent);

src/modules/xkbswitch/gadget/xkbswitch.c

@@ -275,10 +275,11 @@ xkbg_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *ev
 }
 
 EINTERN Evas_Object *
-xkbg_gadget_create(Evas_Object *parent, int *id EINA_UNUSED, E_Gadget_Site_Orient orient)
+xkbg_gadget_create(Evas_Object *parent, int *id, E_Gadget_Site_Orient orient)
 {
    Instance *inst;
 
+   if (*id == 0) *id = 1;
    inst = E_NEW(Instance, 1);
    inst->o_main = elm_box_add(parent);
    inst->orient = orient;