Allow passing command line arguments

Applications run by kdesrc-run alias could not pass command line arguments
This was solved by passing the --flags rather than only parsing first arg
2 jobs for arguments in 3 minutes and 46 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #54680
smoke-test

00:02:45

passed #54679
unit-test

00:01:00