Fix some false positives in *-no-unknown rules (#5157) (#5158)
Fix some false positives in *-no-unknown rules (#5157) (#5158)

- @property
- nobr tag
- :state()
- ::file-selector-button
- lh, rlh, mozmm units
stylelint/stylelint,stylelint/stylelint,stylelint/stylelint,stylelint/stylelint