Intent of surviving_buffered_starts_are_not_counted_as_removed

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
  - chasm/ 2 tests
    
    lib/ 2 tests
    
    scheduler/ 2 tests
    
    TestExecuteTask_EventLog/ 2 tests
    
    go.temporal.io/server/chasm/lib/scheduler/TestExecuteTask_EventLog/kicked_off_counts_newly_started Inherited kicked_off_counts_newly_started
    
    go.temporal.io/server/chasm/lib/scheduler/TestExecuteTask_EventLog/surviving_buffered_starts_are_not_counted_as_removed Introduced here