Check Service Flag Updates

Changelog:

🐛 Bug Fixes

• Issue #202
  • When using --state and --current_state flags together, return code will only be 0 if the service is in the desired state. Before, return code would always be 0 when using --current_state
  • Return code is now 2 when using --current_state if the desired service does not exist

🔍 Internal Changes

• Test case has been updated to reflect this change(#202)

👏 Contributors

• @tk185166