Reuse PushProcessor from MatrixClient (#29561)

* Reuse PushProcessor from MatrixClient

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Reuse PushProcessor getPushRuleGlobRegex

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* delint

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update regex handling

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/LegacyCallHandler-test.ts

@@ -22,6 +22,7 @@ import { mocked } from "jest-mock";
 import { CallEventHandlerEvent } from "matrix-js-sdk/src/webrtc/callEventHandler";
 import fetchMock from "fetch-mock-jest";
 import { waitFor } from "jest-matrix-react";
+import { PushProcessor } from "matrix-js-sdk/src/pushprocessor";
 
 import LegacyCallHandler, {
     AudioID,
@@ -473,6 +474,9 @@ describe("LegacyCallHandler without third party protocols", () => {
             throw new Error("Endpoint unsupported.");
         };
 
+        // @ts-expect-error
+        MatrixClientPeg.safeGet().pushProcessor = new PushProcessor(MatrixClientPeg.safeGet());
+
         audioElement = document.createElement("audio");
         audioElement.id = "remoteAudio";
         document.body.appendChild(audioElement);