Eliminate the use of MatrixClientPeg in utils (#10910)

test/components/views/elements/AppTile-test.tsx

@@ -86,7 +86,7 @@ describe("AppTile", () => {
         cli.hasLazyLoadMembersEnabled = () => false;
 
         // Init misc. startup deps
-        DMRoomMap.makeShared();
+        DMRoomMap.makeShared(cli);
 
         r1 = new Room("r1", cli, "@name:example.com");
         r2 = new Room("r2", cli, "@name:example.com");

test/components/views/elements/Pill-test.tsx

@@ -75,7 +75,7 @@ describe("<Pill>", () => {
     beforeEach(() => {
         client = mocked(stubClient());
         SdkContextClass.instance.client = client;
-        DMRoomMap.makeShared();
+        DMRoomMap.makeShared(client);
         room1 = new Room(room1Id, client, user1Id);
         room1.name = "Room 1";
         const user1JoinRoom1Event = mkRoomMemberJoinEvent(user1Id, room1Id, {