Keyboard doesnt close in Message_input.dart

[M-A-D-A-R-A]

Describe the bug
When ever we type in the message input widget , the keyboard should get closed after we send the comment/message

To Reproduce
Steps to reproduce the behavior:

1. Go to Message Input field
2. Type your message
3. hit the send button
4. See error

Expected behavior
keyboard should disappred after we type the message

Screenshots