MM-52805 - Calls: Add calls ringing & settings panel option (#23444)

* add calls sounds; add calls options to settings panel

* i18n

* fix types; tests

* tests

* expose notificationSounds to plugins

* fix bad version reference

* the real fix

* turn off any currentRing if new ring is requested

* refactor isCallsEnabled into a selector

* fix version fallback

* remove unused vars

* merge conflicts

* stop notification rings on exits

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/channels/src/plugins/export.js

@@ -7,6 +7,7 @@ import {getSelectedPostId, getIsRhsOpen} from 'selectors/rhs';
 import BotTag from 'components/widgets/tag/bot_tag';
 
 import messageHtmlToComponent from 'utils/message_html_to_component';
+import * as NotificationSounds from 'utils/notification_sounds';
 import {formatText} from 'utils/text_formatting';
 import {getHistory} from 'utils/browser_history';
 
@@ -48,6 +49,7 @@ window.openInteractiveDialog = openInteractiveDialog;
 window.useNotifyAdmin = useNotifyAdmin;
 window.WebappUtils = {
     modals: {openModal, ModalIdentifiers},
+    notificationSounds: {ring: NotificationSounds.ring, stopRing: NotificationSounds.stopRing},
 };
 Object.defineProperty(window.WebappUtils, 'browserHistory', {
     get: () => getHistory(),