Resolve error CS0019: Operator '!=' cannot be applied to operands of type 'KeyValuePair<dynamic, dynamic>' and '<null>'

Author: ramonsmits

src/ServiceControl.Audit.Persistence.RavenDB/Indexes/MessagesViewIndex.cs

@@ -28,7 +28,7 @@ from message in messages
                     Query = new[]
                     {
                         string.Join(' ', message.Headers.Values),
-                        string.Join(' ', metadata.Values.Where(v => v != null).Select(v => v.ToString())) // Needed, RaveDB does not like object arrays
+                        string.Join(' ', metadata.Values.Select(v => v.ToString())) // Needed, RaveDB does not like object arrays
                     },
                     ConversationId = (string)metadata["ConversationId"]
                 };

src/ServiceControl.Persistence.RavenDB/Indexes/MessagesViewIndex.cs

@@ -35,7 +35,7 @@ from message in messages
                     Query = new[]
                     {
                         string.Join(' ', last.Headers.Values),
-                        string.Join(' ', metadata.Values.Where(v => v != null).Select(v => v.ToString())) // Needed, RavenDB does not like object arrays
+                        string.Join(' ', metadata.Values.Select(v => v.ToString())) // Needed, RavenDB does not like object arrays
                     },
                     ConversationId = (string)metadata["ConversationId"]
                 };