[FLINK-8872][flip6] fix yarn detached mode command parsing
The detached flag if given by "-yd" was not passed correctly into the
CliFrontend and resulted in the CLI waiting for submitted jobs to finish instead
of detaching from the execution.
[FLINK-8872][yarn] add tests for YARN detached mode
[FLINK-8872][flip6] fix yarn detached mode command parsing
The detached flag if given by "-yd" was not passed correctly into the
CliFrontend and resulted in the CLI waiting for submitted jobs to finish instead
of detaching from the execution.
[FLINK-8872][yarn] add tests for YARN detached mode
