Intent of event_type_unknown_to_hsm_falls_back

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 2 tests
- server/ 2 tests
  - service/ 2 tests
    
    history/ 2 tests
    
    ndc/ 2 tests
    
    TestWorkflowResetterSuite/ 2 tests
    
    TestCherryPickHSMEvent/ 1 test
    
    go.temporal.io/server/service/history/ndc/TestWorkflowResetterSuite/TestCherryPickHSMEvent/event_type_unknown_to_hsm_falls_back Introduced here
    
    go.temporal.io/server/service/history/ndc/TestWorkflowResetterSuite/TestReapplyEvents_Excludes Inherited workflow_resetter.go ×2