Change Quick Settings icon (#12141)

* Change Quick Settings icon

* Update space panel playwright snapshot

Author: florianduros

playwright/snapshots/spaces/spaces.spec.ts/space-panel-collapsed-linux.png

@@ -36,10 +36,10 @@ limitations under the License.
         width: 32px;
         height: 32px;
         left: 0;
-        mask-image: url("$(res)/img/element-icons/settings.svg");
+        mask-image: url("@vector-im/compound-design-tokens/icons/settings-solid.svg");
         mask-repeat: no-repeat;
         mask-position: center;
-        mask-size: 16px;
+        mask-size: 24px;
         background: $secondary-content;
     }