* Add JSON output support for list-scan option
* Fix typo in cloud JSON output description
* Following changes
- Update status(finished, running) to be lower-case by default
- Convert status to upper-case in DisplayScanList()
* Update status to be lower-case by default
* Remove additional json flag, instead use existing
* Merge conflict
* Accomodate comment changes and restructure code
Co-authored-by: Jaideep K <jaideep@one2n.in>