Tighten up eslint rule to catch unused const {_} = useLingui() (#9122)

* tighten eslint config to catch unused `useLingui`s

* fix now-invalid uses of _

* remove unused function that produces a ton of eslint warnings

* upgrade react compiler plugin

src/view/com/composer/text-input/web/TagDecorator.ts

@@ -30,7 +30,7 @@ function getDecorations(doc: ProsemirrorNode) {
 
       let match
       while ((match = regex.exec(textContent))) {
-        const [matchedString, _, tag] = match
+        const [matchedString, __, tag] = match
 
         if (!tag || tag.replace(TRAILING_PUNCTUATION_REGEX, '').length > 64)
           continue