[Core] Change OLED task function to be boolean (#14864)

* [Core] Add kb level callbacks to OLED driver

* Update keyboards and keymaps

* Update docs

* Update userspace configs

* Add fix for my keymap ...

* update lefty

keyboards/draculad/keymaps/default/keymap.c

@@ -186,12 +186,13 @@ static void render_status(void) {
     }
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
       if (is_keyboard_master()) {
         render_status(); // Renders the current keyboard state (layer, lock, caps, scroll, etc)
     } else {
         render_logo();
     }
+    return false;
 }
 
 #endif