Only call task_push_image_load if image exists

menu/cbs/menu_cbs_ok.c

@@ -1069,6 +1069,8 @@ static int generic_action_ok(const char *path,
 
             strlcpy(settings->path.menu_wallpaper,
                   action_path, sizeof(settings->path.menu_wallpaper));
+
+            if (path_file_exists(action_path))
                task_push_image_load(action_path,
                      menu_display_handle_wallpaper_upload, NULL);
          }

menu/drivers/materialui.c

@@ -1658,7 +1658,7 @@ static void mui_context_reset(void *data)
    menu_display_allocate_white_texture();
    mui_context_reset_textures(mui);
 
-   if (!string_is_empty(settings->path.menu_wallpaper))
+   if (path_file_exists(settings->path.menu_wallpaper))
       task_push_image_load(settings->path.menu_wallpaper, 
             menu_display_handle_wallpaper_upload, NULL);
 }

menu/drivers/nuklear.c

@@ -439,6 +439,7 @@ static void nk_menu_context_reset(void *data)
    nk_menu_init_device(nk);
    nk_menu_context_load_textures(nk, iconpath);
 
+   if (path_file_exists(settings->path.menu_wallpaper))
       task_push_image_load(settings->path.menu_wallpaper,
             menu_display_handle_wallpaper_upload, NULL);
 }