feat(issue-states): Add feature flag for issue states

[snigdhas]

Adds the organizations:issue-states feature flag.

[codecov]

Codecov Report

Merging #47604 (f17e096) into master (9a8b435) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #47604   +/-   ##
=======================================
  Coverage   80.75%   80.75%           
=======================================
  Files        4762     4762           
  Lines      201425   201406   -19     
  Branches    11618    11618           
=======================================
- Hits       162654   162652    -2     
+ Misses      38515    38498   -17     
  Partials      256      256           

Impacted Files	Coverage Δ
src/sentry/conf/server.py	93.73% <ø> (ø)
...c/app/components/events/contexts/profile/index.tsx	60.00% <ø> (+3.75%)	⬆️
static/app/components/events/eventCause.tsx	100.00% <ø> (+9.09%)	⬆️
static/app/components/events/eventErrors.tsx	89.23% <ø> (-0.17%)	⬇️
static/app/components/events/eventTags/index.tsx	90.90% <ø> (ø)
...components/events/eventTagsAndScreenshot/index.tsx	82.35% <ø> (+3.97%)	⬆️
...events/eventTagsAndScreenshot/screenshot/index.tsx	69.04% <ø> (+3.13%)	⬆️
...terfaces/crashContent/exception/sourceMapDebug.tsx	78.18% <ø> (+0.98%)	⬆️
...ts/events/interfaces/frame/stacktraceLinkModal.tsx	92.30% <ø> (ø)
.../app/components/events/interfaces/spans/filter.tsx	48.71% <ø> (+1.21%)	⬆️
... and 11 more

... and 1 file with indirect coverage changes