Tweaks for #32

PlexRequests.Api/MusicBrainzApi.cs

@@ -82,7 +82,7 @@ namespace PlexRequests.Api
 
             try
             {
-                return Api.Execute<MusicBrainzReleaseInfo>(request, BaseUri);
+                return Api.ExecuteJson<MusicBrainzReleaseInfo>(request, BaseUri);
             }
             catch (JsonSerializationException jse)
             {

PlexRequests.UI/Modules/SearchModule.cs

@@ -508,7 +508,7 @@ namespace PlexRequests.UI.Modules
             var artist = albumInfo.ArtistCredits?.FirstOrDefault()?.artist;
             if (artist == null)
             {
-                return Response.AsJson("We could not find the artist on MusicBrainz. Please try again later or contact your admin");
+                return Response.AsJson(new JsonResponseModel {Result = false, Message = "We could not find the artist on MusicBrainz. Please try again later or contact your admin"});
             }
 
             var model = new RequestedModel