Problems with the it's→its linter

[hippietrail]

Describe the bug

1. it's with an ASCII apostrophe is linted to change to its but it’s with a Unicode apostrophe is not.
2. The LintKind is erroneously set to Agreement but that's for things like "these is" or "they says" where two POSes that have properties that must "agree", such as "number" (singular vs plural). This is a kind of spelling mistake but Punctuation is a tighter fit.

Screenshots

it's with an ASCII/typewriter apostrophe is linted:

it’s with a typesetting/"smart" apostrophe is not linted: