[WIP] Theme style fixes relative to active/inactive preventOverwriteStyles flag

Proposed changes

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If it fixes a bug or resolves a feature request, be sure to link to that issue.

Types of changes

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[x] Bugfix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] Documentation Update (if none of the other choices apply)

Checklist

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[ ] Lint and unit tests pass locally with my changes
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] I have added necessary documentation (if appropriate)
[ ] Any dependent changes have been merged and published in downstream modules

Further comments

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lowcoder-org / lowcoder