Intent of Chasm_activity_request_with_only_activity_id

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
  - cmd/ 2 tests
    
    tools/ 2 tests
    
    genrpcserverinterceptors/ 2 tests
    
    TestWorkflowTagGetters/ 2 tests
    
    go.temporal.io/server/cmd/tools/genrpcserverinterceptors/TestWorkflowTagGetters/Chasm_activity_request_with_only_activity_id Introduced here
    
    go.temporal.io/server/cmd/tools/genrpcserverinterceptors/TestWorkflowTagGetters/Request_with_workflowID_and_runID Inherited Request_with_workflowID_and_runID