Revert "Member avatars without canvas" (#10057

* Revert "Apply more general fix for base avatar regressions (#10045)"

This reverts commit 371a3c0d36.

* Revert "Fix layout and visual regressions around default avatars (#10031)"

This reverts commit 0d1fce37b2.

* Revert "Member avatars without canvas (#9990)"

This reverts commit a8aa4de4b4.

* Update snapshots

src/dispatcher/payloads/ViewUserPayload.ts

@@ -28,11 +28,4 @@ export interface ViewUserPayload extends ActionPayload {
      * should be shown (hide whichever relevant components).
      */
     member?: RoomMember | User;
-
-    /**
-     * Should this event be pushed as a card into the right panel?
-     *
-     * @see RightPanelStore#pushCard
-     */
-    push?: boolean;
 }