New right panel visual language (#11664)

* New right panel visual language

* Upgrade Compound

* Align old room header with right panel

* Rigth panel look and feel

* Fix linting and e2e tests

* Update snapshot

* Add test

* Lint

* Remove screenshot local script

* Update snapshots and UI based on feedback

* fix i18n key

* Update right panel visuals

* Fix tests

* lintfixes

* fix tests

* fix tests

* Add tests for search icon

* Fix invite dialog spec

src/components/utils/Flex.tsx

@@ -46,7 +46,7 @@ type FlexProps = {
      * The justification of the flex children
      * @default start
      */
-    justify?: "start" | "center" | "end" | "between";
+    justify?: "start" | "center" | "end" | "space-between";
     /**
      * The spacing between the flex children, expressed with the CSS unit
      * @default 0