ISPN-4504 Topology id is not properly set on ClusteredGetCommands

ClusteredGetCommand should NOT be topology-aware
ISPN-4503 Commands with topology id 0 are not properly ignored on joiners
ISPN-2522 The StateTransferCacheLoaderFunctionalTest (StateTransferFunctionTest) tests fail periodically

* Disable synchronizations, so that commit failures are not ignored.
* Pause between writes so that the writing thread doesn't hog all
  the CPU before the 2nd node joins.
* Fail-fast in StateTransferLargeObjectTest