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/selectors/calls.ts

@@ -0,0 +1,11 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {GlobalState} from 'types/store';
+import {suitePluginIds} from 'utils/constants';
+import semver from 'semver';
+
+export function isCallsEnabled(state: GlobalState, minVersion = '0.4.2') {
+    return state.plugins.plugins[suitePluginIds.calls] &&
+        semver.gte(state.plugins.plugins[suitePluginIds.calls].version || '0.0.0', minVersion);
+}