Fix people validator not creating missing people

MediaBrowser.Controller/Library/ILibraryManager.cs

@@ -106,6 +106,13 @@ namespace MediaBrowser.Controller.Library
         /// <returns>Task{Person}.</returns>
         Person? GetPerson(string name);
 
+        /// <summary>
+        /// Gets a Person, creating and persisting it if no item exists for the name yet.
+        /// </summary>
+        /// <param name="name">The name of the person.</param>
+        /// <returns>The person.</returns>
+        Person GetOrCreatePerson(string name);
+
         /// <summary>
         /// Finds the by path.
         /// </summary>
@@ -152,15 +159,6 @@ namespace MediaBrowser.Controller.Library
         /// <exception cref="ArgumentOutOfRangeException">Throws if year is invalid.</exception>
         Year GetYear(int value);
 
-        /// <summary>
-        /// Validate and refresh the People sub-set of the IBN.
-        /// The items are stored in the db but not loaded into memory until actually requested by an operation.
-        /// </summary>
-        /// <param name="progress">The progress.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
-        Task ValidatePeopleAsync(IProgress<double> progress, CancellationToken cancellationToken);
-
         /// <summary>
         /// Reloads the root media folder.
         /// </summary>