Accessibility improvements around aria-labels and tooltips (#12062)

* Prevent Cypress typechecking react-sdk components without strict mode

This prevented us from switching to `forwardRef` in a bunch of places
due to it behaving different with & without strict mode.

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update global.d.ts

* Switch AccessibleButton and derivatives to using `forwardRef`

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Add missing ref={ref}

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Ensure RefObjects are used consistently

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Re-add WysiwygAutocomplete displayname

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix forwardRef types

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Add comments

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Remove unused export

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Readd comment

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Accessibility improvements around aria-labels and tooltips

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Tweak copy

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate types & comments

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* i18n

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update snapshots

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Apply suggestions from code review

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

* Add comment

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Improve comment

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Prettier & i18n

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

src/components/views/rooms/RoomHeader.tsx

@@ -273,6 +273,7 @@ export default function RoomHeader({
                             size="20px"
                             overflow={false}
                             viewUserOnClick={false}
+                            tooltipLabel={_t("room|header_face_pile_tooltip")}
                         >
                             {formatCount(memberCount)}
                         </FacePile>