add first YOLO: e_client_focus_stack_set()

to quote ecore docs:

DO NOT use this function unless you are the person God comes to ask for
advice when He has trouble managing the Universe.

src/bin/e_client.c

@@ -3494,6 +3494,12 @@ e_client_focus_stack_get(void)
    return focus_stack;
 }
 
+YOLO EAPI void
+e_client_focus_stack_set(Eina_List *l)
+{
+   focus_stack = l;
+}
+
 EAPI Eina_List *
 e_client_raise_stack_get(void)
 {

src/bin/e_client.h

@@ -821,5 +821,7 @@ EAPI Eina_Bool e_client_desk_window_profile_available_check(E_Client *ec, const
 EAPI void      e_client_desk_window_profile_wait_desk_set(E_Client *ec, E_Desk *desk);
 EAPI void      e_client_layout_cb_set(E_Client_Layout_Cb cb);
 
+YOLO EAPI void e_client_focus_stack_set(Eina_List *l);
+
 #include "e_client.x"
 #endif