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/settings/tabs/room/__snapshots__/AdvancedRoomSettingsTab-test.tsx.snap

@@ -38,11 +38,11 @@ exports[`AdvancedRoomSettingsTab should render as expected 1`] = `
                 <span>
                   Internal room ID
                 </span>
-                <div
+                <span
                   class="mx_CopyableText mx_CopyableText_border"
                 >
                   !room:example.com
-                  <div
+                  <button
                     aria-label="Copy"
                     class="mx_AccessibleButton mx_CopyableText_copyButton"
                     role="button"
@@ -62,8 +62,8 @@ exports[`AdvancedRoomSettingsTab should render as expected 1`] = `
                         d="M8 10a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2h-9a2 2 0 0 1-2-2zm2 0v9h9v-9z"
                       />
                     </svg>
-                  </div>
-                </div>
+                  </button>
+                </span>
               </div>
             </div>
           </div>

apps/web/test/unit-tests/components/views/settings/tabs/room/__snapshots__/SecurityRoomSettingsTab-test.tsx.snap

@@ -186,7 +186,7 @@ exports[`<SecurityRoomSettingsTab /> join rule warns when trying to make an encr
          
         <span>
           To avoid these issues, create a 
-          <div
+          <a
             class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_link_inline"
             role="button"
             tabindex="0"
@@ -194,7 +194,7 @@ exports[`<SecurityRoomSettingsTab /> join rule warns when trying to make an encr
              
             new public room
              
-          </div>
+          </a>
            for the conversation you plan to have.
         </span>