Before this commit, when we star or unstar a message from a document thread, the message was duplicated in the document thread. This commit fixes this issue by not adding already existing messages on document threads. Task-ID 1871428
Before this commit, when we star or unstar a message from a document thread, the message was duplicated in the document thread. This commit fixes this issue by not adding already existing messages on document threads. Task-ID 1871428