add capability for sending bug reports (#49875)

* add capability for sending bug reports

* fix typing, linting and testing errors

* fix failures in unit and e2e tests

* fix ts error

* add bug report RTK

* move MB_BUG_REPORT_ENABLED handling to backend

* move bug reporter setting to global settings

* fix type errors

* fix bug-report-enabled setting visibility

* add options map to slack postMessage funcion

* fix failing tests

* fix post-chat-message handling

* fix type error

* rename bug reporting setting