fix!(recording): moderator only webcams

BREAKING CHANGE: fix typo at moderator only webcams recorded event.

akka-bbb-apps/src/main/scala/org/bigbluebutton/core/record/events/WebcamsOnlyForModeratorRecordEvent.scala

@@ -35,5 +35,5 @@ class WebcamsOnlyForModeratorRecordEvent extends AbstractParticipantRecordEvent
 
 object WebcamsOnlyForModeratorRecordEvent {
   protected final val USER_ID = "userId"
-  protected final val WEBCAMS_ONLY_FOR_MODERATOR = "webacmsOnlyForModerator"
+  protected final val WEBCAMS_ONLY_FOR_MODERATOR = "webcamsOnlyForModerator"
 }