Hand raise feature (#2542)

* Initial support for Hand Raise feature

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Refactored to use reaction and redaction events

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Replacing button svg with raised hand emoji

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* SpotlightTile should not duplicate the raised hand

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Update src/room/useRaisedHands.tsx

Element Call recently changed to AGPL-3.0

* Use relations to load existing reactions when joining the call

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Links to sha commit of matrix-js-sdk that exposes the call membership event id and refactors some async code

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Removing RaiseHand.svg

* Check for reaction & redaction capabilities in widget mode

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Fix failing GridTile test

Signed-off-by: Milton Moura <miltonmoura@gmail.com>

* Center align hand raise.

* Add support for displaying the duration of a raised hand.

* Add a sound for when a hand is raised.

* Refactor raised hand indicator and add tests.

* lint

* Refactor into own files.

* Redact the right thing.

* Tidy up useEffect

* Lint tests

* Remove extra layer

* Add better sound. (woosh)

* Add a small mode for spotlight

* Fix timestamp calculation on relaod.

* Fix call border resizing video

* lint

* Fix and update tests

* Allow timer to be configurable.

* Add preferences tab for choosing to enable timer.

* Drop border from raised hand icon

* Handle cases when a new member event happens.

* Prevent infinite loop

* Major refactor to support various state problems.

* Tidy up and finish test rewrites

* Add some explanation comments.

* Even more comments.

* Use proper duration formatter

* Remove rerender

* Fix redactions not working because they pick up events in transit.

* More tidying

* Use deferred value

* linting

* Add tests for cases where we got a reaction from someone else.

* Be even less brittle.

* Transpose border to GridTile.

* lint

---------

Signed-off-by: Milton Moura <miltonmoura@gmail.com>
Co-authored-by: fkwp <fkwp@users.noreply.github.com>
Co-authored-by: Half-Shot <will@half-shot.uk>
Co-authored-by: Will Hunt <github@half-shot.uk>

src/reactions/__snapshots__/RaisedHandIndicator.test.tsx.snap

@@ -0,0 +1,61 @@
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
+
+exports[`RaisedHandIndicator > renders a smaller indicator when minature is specified 1`] = `
+<div
+  class="raisedHandWidget"
+>
+  <div
+    class="raisedHand"
+  >
+    <span
+      aria-label="raised hand"
+      role="img"
+    >
+      ✋
+    </span>
+  </div>
+  <p>
+    00:01
+  </p>
+</div>
+`;
+
+exports[`RaisedHandIndicator > renders an indicator when a hand has been raised 1`] = `
+<div
+  class="raisedHandWidget raisedHandWidgetLarge"
+>
+  <div
+    class="raisedHand raisedHandLarge"
+  >
+    <span
+      aria-label="raised hand"
+      role="img"
+    >
+      ✋
+    </span>
+  </div>
+  <p>
+    00:01
+  </p>
+</div>
+`;
+
+exports[`RaisedHandIndicator > renders an indicator when a hand has been raised with the expected time 1`] = `
+<div
+  class="raisedHandWidget raisedHandWidgetLarge"
+>
+  <div
+    class="raisedHand raisedHandLarge"
+  >
+    <span
+      aria-label="raised hand"
+      role="img"
+    >
+      ✋
+    </span>
+  </div>
+  <p>
+    01:01
+  </p>
+</div>
+`;