Add OwnerId fix migration and library options event

- Add FixIncorrectOwnerIdRelationships migration routine
- Add LibraryOptionsUpdatedEventArgs for library options changes

MediaBrowser.Controller/Entities/LibraryOptionsUpdatedEventArgs.cs

@@ -0,0 +1,31 @@
+using System;
+using MediaBrowser.Model.Configuration;
+
+namespace MediaBrowser.Controller.Entities;
+
+/// <summary>
+/// Event arguments for when library options are updated.
+/// </summary>
+public class LibraryOptionsUpdatedEventArgs : EventArgs
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="LibraryOptionsUpdatedEventArgs"/> class.
+    /// </summary>
+    /// <param name="libraryPath">The path of the library whose options were updated.</param>
+    /// <param name="libraryOptions">The updated library options.</param>
+    public LibraryOptionsUpdatedEventArgs(string libraryPath, LibraryOptions libraryOptions)
+    {
+        LibraryPath = libraryPath;
+        LibraryOptions = libraryOptions;
+    }
+
+    /// <summary>
+    /// Gets the path of the library whose options were updated.
+    /// </summary>
+    public string LibraryPath { get; }
+
+    /// <summary>
+    /// Gets the updated library options.
+    /// </summary>
+    public LibraryOptions LibraryOptions { get; }
+}