Use SetProviderCharacteristics in bulk endpoint

src/Radarr.Api.V3/ProviderControllerBase.cs

@@ -109,6 +109,8 @@ public ActionResult<TProviderResource> UpdateProvider([FromBody] TBulkProviderRe
 
             foreach (var definition in definitionsToUpdate)
             {
+                _providerFactory.SetProviderCharacteristics(definition);
+
                 if (providerResource.Tags != null)
                 {
                     var newTags = providerResource.Tags;