Merge pull request #2039 from Bond-009/fixcondition

Fix always false condition

(cherry picked from commit 47ad21b6e396de836480211515de32f213cef590)
Signed-off-by: Joshua Boniface <joshua@boniface.me>

MediaBrowser.Api/UserLibrary/PersonsService.cs

@@ -109,6 +109,11 @@ namespace MediaBrowser.Api.UserLibrary
                 NameContains = query.NameContains ?? query.SearchTerm
             });
 
+            if ((query.IsFavorite ?? false) && query.User != null)
+            {
+                items = items.Where(i => UserDataRepository.GetUserData(query.User, i).IsFavorite).ToList();
+            }
+
             return new QueryResult<(BaseItem, ItemCounts)>
             {
                 TotalRecordCount = items.Count,