Fix React hydration issues (#32958)

* Add more playwright axe tests to settings dialogs

* Add utility to jest setupTests to detect React hydration errors

* Iterate jest utility

* Fix axe issue heading-order

* Fix div-in-p issues

* Fix setupTests.ts

* Fix heading order

* Make types happier

* Fix hydration issues of thead containing text nodes

* Update tests

* Fix form-in-form React hydration issues

* Fix li-in-li React hydration issues

* Fix checked in form without onChange React hydration issue

* Fix styling bleeding from _common.pcss

* Update snapshots

* Fix more remaining issues

* Remove _common.pcss h2 rule altogether

* Fix test

* Update snapshots

* Iterate

* Iterate

* Update snapshots

* Simplify diff

* Test

* Update screenshots

* Update screenshot

apps/web/test/unit-tests/components/views/elements/__snapshots__/LearnMore-test.tsx.snap

@@ -2,13 +2,13 @@
 
 exports[`<LearnMore /> renders button 1`] = `
 <div>
-  <div
+  <button
     class="mx_AccessibleButton mx_LearnMore_button mx_AccessibleButton_hasKind mx_AccessibleButton_kind_link_inline"
     data-testid="testid"
     role="button"
     tabindex="0"
   >
     Learn more
-  </div>
+  </button>
 </div>
 `;