Save new display preferences

Jellyfin.Api/Controllers/DisplayPreferencesController.cs

@@ -81,6 +81,9 @@ namespace Jellyfin.Api.Controllers
             dto.CustomPrefs["enableNextVideoInfoOverlay"] = displayPreferences.EnableNextVideoInfoOverlay.ToString(CultureInfo.InvariantCulture);
             dto.CustomPrefs["tvhome"] = displayPreferences.TvHome;
 
+            // This will essentially be a noop if no changes have been made, but new prefs must be saved at least.
+            _displayPreferencesManager.SaveChanges();
+
             return dto;
         }
 

MediaBrowser.Controller/IDisplayPreferencesManager.cs

@@ -12,6 +12,9 @@ namespace MediaBrowser.Controller
         /// <summary>
         /// Gets the display preferences for the user and client.
         /// </summary>
+        /// <remarks>
+        /// This will create the display preferences if it does not exist, but it will not save automatically.
+        /// </remarks>
         /// <param name="userId">The user's id.</param>
         /// <param name="client">The client string.</param>
         /// <returns>The associated display preferences.</returns>
@@ -20,6 +23,9 @@ namespace MediaBrowser.Controller
         /// <summary>
         /// Gets the default item display preferences for the user and client.
         /// </summary>
+        /// <remarks>
+        /// This will create the item display preferences if it does not exist, but it will not save automatically.
+        /// </remarks>
         /// <param name="userId">The user id.</param>
         /// <param name="itemId">The item id.</param>
         /// <param name="client">The client string.</param>