fix(client): Fix logic on config locks + change funcs name for more obvious

[pimielowski]

Description

Fix logic choosing correct schema for PANOS versions

Motivation and Context

Name of the function was little confuse. There was a issue with choosing correct schema based on the PANOS version

How Has This Been Tested?

go test -v ./... + using local code

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist

• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes if appropriate.
• [x] All new and existing tests passed.