When playing planning poker, stories are removed when pressing the carriage return key from inside the chat box

Issue Summary

When playing planning poker, stories are removed when pressing the carriage return key from inside the chat box

Steps to Reproduce

1. Navigate to Team > Estimation
2. Estimation Games open up
3. Click either Level of Effort Poker or Level of Value Poker (I tested with both and Issue is reproducible with both)
4. Fill out Program Increment, Program, Team and select Stories
5. Click Play Using Stories button
6. From inside the chat box, hit enter key in the keyboard
7. Notice the stories selected are removed from the top left corner list and says No Stories Exist
8. The above issue is only reproducible when selecting Play Using Stories in the Step 5 above. The issue is not reproducible for Play Using Sprint.

Expected Results

Stories should not be removed from the game

Actual Results

The stories are removed from the game

Workaround

Do not press the carriage return key