Fixed: Ignore case when resolving indexer by name in release push

(cherry picked from commit a90ab1a8fd50126d7f60eaa684eac1e0cd98e2b7)

src/Radarr.Api.V3/Indexers/ReleasePushController.cs

@@ -86,7 +86,8 @@ namespace Radarr.Api.V3.Indexers
         {
             if (release.IndexerId == 0 && release.Indexer.IsNotNullOrWhiteSpace())
             {
-                var indexer = _indexerFactory.All().FirstOrDefault(v => v.Name == release.Indexer);
+                var indexer = _indexerFactory.All().FirstOrDefault(v => v.Name.EqualsIgnoreCase(release.Indexer));
+
                 if (indexer != null)
                 {
                     release.IndexerId = indexer.Id;