MM-64531: [Shared Channels] Users on different remote servers should not communicate unless the remotes have established secure connection. (#30985) (#33434)

Automatic Merge

server/public/model/shared_channel.go

@@ -12,8 +12,10 @@ import (
 )
 
 const (
-	UserPropsKeyRemoteUsername = "RemoteUsername"
-	UserPropsKeyRemoteEmail    = "RemoteEmail"
+	UserPropsKeyRemoteUsername   = "RemoteUsername"
+	UserPropsKeyRemoteEmail      = "RemoteEmail"
+	UserPropsKeyOriginalRemoteId = "OriginalRemoteId"
+	UserOriginalRemoteIdUnknown  = "UNKNOWN"
 )
 
 var (