server side changes for switching recordType:String to record:Boolean

...scala/org/bigbluebutton/core/JsonMessageSenderActor.scala

...rc/main/scala/org/bigbluebutton/core/api/InMessages.scala

...c/main/scala/org/bigbluebutton/core/api/OutMessages.scala

...n/scala/org/bigbluebutton/core/apps/BreakoutRoomApp.scala

...on/messages/payload/CreateBreakoutRoomRequestPayload.java

...n/messages/payload/CreateBreakoutRoomsRequestPayload.java

...bigbluebutton/messages/CreateBreakoutRoomRequestTest.java

...igbluebutton/messages/CreateBreakoutRoomsRequestTest.java

...gbluebutton/modules/users/views/BreakoutRoomSettings.mxml

...on-web/src/java/org/bigbluebutton/api/MeetingService.java

...rg/bigbluebutton/api/messaging/MeetingMessageHandler.java

...bluebutton/api/messaging/messages/CreateBreakoutRoom.java