`~inline-font` and `~inline-script` should be considered as valid modifiers

[slavaleleka]

since $inline-font and $inline-script modifiers are valid, negation ones should be valid as well

Error: "Unknown modifier: ~inline-font" in the rule: "||oldgames.4all.cc^$document,popup,~inline-font,~inline-script"
Error: "Unknown modifier: ~inline-font" in the rule: "||useragentswitch.com^$document,popup,~inline-font,~inline-script"
Error: "Unknown modifier: ~inline-font" in the rule: "||dev-nano.com^$document,popup,~inline-font,~inline-script"