fix(jira): Makes team an autofill field in integration forms

[GabeVillalobos]

Makes the Team field an autofillable field.

Currently, selecting a team is a painful experience. It requires manually looking up and pasting the team UUID into the UI:

Even with the UI error fixes we've made recently, the errors for entering an incorrect team ID results in a vague, non-descriptive error.

Making team a queryable field similar to user selection removes this problem entirely, disallowing a user from selecting an invalid team:

This PR also adds error handling for team errors to show an explicit error for previously configured alerts:

[codecov]

Codecov Report

Attention: Patch coverage is 6.66667% with 14 lines in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/sentry/integrations/jira/integration.py	6.66%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #78777      +/-   ##
==========================================
- Coverage   78.25%   78.25%   -0.01%     
==========================================
  Files        7105     7105              
  Lines      313203   313215      +12     
  Branches    51132    51137       +5     
==========================================
- Hits       245106   245100       -6     
- Misses      61734    61754      +20     
+ Partials     6363     6361       -2