Language comment in Manual Import

Closes #9612

src/Radarr.Api.V3/ManualImport/ManualImportController.cs

@@ -22,12 +22,14 @@ namespace Radarr.Api.V3.ManualImport
         }
 
         [HttpGet]
+        [Produces("application/json")]
         public List<ManualImportResource> GetMediaFiles(string folder, string downloadId, int? movieId, bool filterExistingFiles = true)
         {
             return _manualImportService.GetMediaFiles(folder, downloadId, movieId, filterExistingFiles).ToResource().Select(AddQualityWeight).ToList();
         }
 
         [HttpPost]
+        [Consumes("application/json")]
         public object ReprocessItems([FromBody] List<ManualImportReprocessResource> items)
         {
             foreach (var item in items)
@@ -39,8 +41,8 @@ namespace Radarr.Api.V3.ManualImport
                 item.CustomFormats = processedItem.CustomFormats.ToResource(false);
                 item.CustomFormatScore = processedItem.CustomFormatScore;
 
-                if (item.Languages?.Count <= 1 && (item.Languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown &&
-                    processedItem.Languages.Any())
+                // Only set the language/quality if they're unknown and languages were returned.
+                if (item.Languages?.Count <= 1 && (item.Languages?.SingleOrDefault() ?? Language.Unknown) == Language.Unknown && processedItem.Languages.Any())
                 {
                     item.Languages = processedItem.Languages;
                 }