Trim spaces from a split list in GetValueConverter

(cherry picked from commit 01995e686dafe0933c59e48100b2f23f58afd66e)

src/Lidarr.Http/ClientSchema/SchemaBuilder.cs

@@ -241,7 +241,7 @@ namespace Lidarr.Http.ClientSchema
                     }
                     else
                     {
-                        return fieldValue.ToString().Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+                        return fieldValue.ToString().Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(v => v.Trim());
                     }
                 };
             }