Implement new unreachable state and fix broken string ref (#11748)

* Fix string ref issue

* Implement unreachable state

* Fix eslint failure

* Fix i18n

* Fix i18n again

* Write cypress test

* Write jest test

* Write more jest tests

* Update method name

* Use unstable prefix

* Always use prefix

This is never to going to be in the spec so always use the io.element
prefix

* Update tests

* Remove redundant code from cypress test

* Use unstable prefix

* Refactor code

* Remove supressOnHover prop

* Remove sub-text label

* Join lines

* Remove blank line

* Add jsdoc

src/components/views/dialogs/ForwardDialog.tsx

@@ -264,8 +264,7 @@ const ForwardDialog: React.FC<IProps> = ({ matrixClient: cli, event, permalinkCr
                     <BaseAvatar url={require("../../../../res/img/ellipsis.svg").default} name="..." size="36px" />
                 }
                 name={text}
-                presenceState="online"
-                suppressOnHover={true}
+                showPresence={false}
                 onClick={() => setTruncateAt(totalCount)}
             />
         );