Fix power unit and add Voltage metric

[lucie-dubrunfaut]

Centreon team

Description

• Fix : StatusPower should not be multiplied by 10
• Enhancement : Add StatusVoltage metric

Fixes # (issue) https://github.com/centreon/centreon-plugins/issues/5165 CTOR-887

Type of change

• [x] Patch fixing an issue (non-breaking change)
• [x] New functionality (non-breaking change)
• [ ] Functionality enhancement or optimization (non-breaking change)
• [ ] Breaking change (patch or feature) that might cause side effects breaking part of the Software

How this pull request can be tested ?

Use data linked in the JIRA ticket.

Checklist

• [x] I have followed the coding style guidelines provided by Centreon
• [x] I have commented my code, especially hard-to-understand areas of the PR.
• [x] I have rebased my development branch on the base branch (develop).
• [ ] I have implemented automated tests related to my commits.
• [x] I have reviewed all the help messages in all the .pm files I have modified.
  • [x] All sentences begin with a capital letter.
  • [x] All sentences are terminated by a period.
  • [x] I am able to understand all the help messages, if not, exchange with the PO or TW to rewrite them.