feat(autofix): Add clean error handling, keyboard support in message box

[roaga]

• You can use the return key in the message box to send the message now
• Cleanly displays errors and step retries
• Small copy change

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...tic/app/components/events/autofix/autofixSteps.tsx	25.00%	1 Missing and 2 partials ⚠️
...pp/components/events/autofix/autofixMessageBox.tsx	75.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #77873       +/-   ##
===========================================
- Coverage   88.40%   78.12%   -10.28%     
===========================================
  Files        3000     6994     +3994     
  Lines      186662   310207   +123545     
  Branches    30663    50753    +20090     
===========================================
+ Hits       165012   242349    +77337     
- Misses      15621    56132    +40511     
- Partials     6029    11726     +5697