Use new matrixRTC calling (#11792)

* initial

Signed-off-by: Timo K <toger5@hotmail.de>

* cleanup1

Signed-off-by: Timo K <toger5@hotmail.de>

* bring back call timer

Signed-off-by: Timo K <toger5@hotmail.de>

* more cleanup and test removals

Signed-off-by: Timo K <toger5@hotmail.de>

* remove event

Signed-off-by: Timo K <toger5@hotmail.de>

* cleanups and minor fixes

Signed-off-by: Timo K <toger5@hotmail.de>

* add matrixRTC to stubClient

Signed-off-by: Timo K <toger5@hotmail.de>

* update tests (some got removed)
The removal is a consequence of EW now doing less call logic.
More logic is done by the js sdk (MatrixRTCSession)
And therefore in EC itself.

Signed-off-by: Timo K <toger5@hotmail.de>

* cleanups

Signed-off-by: Timo K <toger5@hotmail.de>

* mock the session

Signed-off-by: Timo K <toger5@hotmail.de>

* lint

Signed-off-by: Timo K <toger5@hotmail.de>

* remove GroupCallDuration

Signed-off-by: Timo K <toger5@hotmail.de>

* review and fixing tests

Signed-off-by: Timo K <toger5@hotmail.de>

---------

Signed-off-by: Timo K <toger5@hotmail.de>

test/components/structures/MatrixChat-test.tsx

@@ -34,6 +34,7 @@ import { Action } from "../../../src/dispatcher/actions";
 import { UserTab } from "../../../src/components/views/dialogs/UserTab";
 import {
     clearAllModals,
+    createStubMatrixRTC,
     filterConsole,
     flushPromises,
     getMockClientWithEventEmitter,
@@ -109,6 +110,7 @@ describe("<MatrixChat />", () => {
         secretStorage: {
             isStored: jest.fn().mockReturnValue(null),
         },
+        matrixRTC: createStubMatrixRTC(),
         getDehydratedDevice: jest.fn(),
         whoami: jest.fn(),
         isRoomEncrypted: jest.fn(),