do exit 1 for iginal error: App is no installed among system apps

[vdelendik]

we see that go ios might crash during install or startup of the app.
let's initiate appium container restart on it

Driver initialization 'default' FAILED! Retry 1 of 3 time - Could not start a new session. Response code 500. Message: An unknown server-side error occurred while processing the command. Original error: App is no installed among system apps 'com....enterprise':
  - Command 'ios apps --system --udid\=1..6c' exited with code 2
  - panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x50 pc=0x750708]

[vdelendik]

closing as won't fix. now sure why we decided to restart appium when go ios crashed in stf (mcloud-device)