<!--- Please read this! Before opening a new issue, make sure to search for keywords in the issues filtered by the "T - Bug" label and verify the issue you're about to submit isn't a duplicate. ---> ### Summary Reported by Ubertesters. ### Steps to reproduce 1. In messenger open a chat and choose block. 2. Close the chat window. 3. Open chat window again. ### Platform information Laptop windows 10, Chrome Username: yahya94 ### What is the current *bug* behavior? 1. Second party is not marked as blocked. 2. User is able to block second party again. 3. Second party is not receiving the messages. 4. User is unable to unblock second party. ### What is the expected *correct* behavior? 1. Second party should be marked as blocked. 2. User should not be able to block second party again. 3. User should not be able to send messages. 4. User should be able to unblock Second party. ### Relevant logs and/or screenshots https://dashboard.ubertesters.com/uploads/8463/11810/issues/64/153839/deeshanib%20_%20Minds%20(1).mp4 ### Possible fixes (If you can, link to the line of code that might be responsible for the problem)