bug: Add new power state field in compute/switch/powershelf

[vinodchitraliNVIDIA]

Version

main

Describe the bug.

Have separate DB field for power state in compute/switch/powershelf inventory table.

Minimum reproducible example

Relevant log output

currenlty the power state is scattered in different places of DB.

This issue is originated from https://github.com/NVIDIA/infra-controller/pull/1878

Other/Misc.

No response

Code of Conduct

• I agree to follow NCX Infra Controller's Code of Conduct
• I have searched the open bugs and have found no duplicates for this bug report