Remove getter for realm Matrix client

Author: backspace

Diff for: packages/realm-server/tests/helpers/index.ts

@@ -411,8 +411,9 @@ export async function runTestRealmServer({
     dbAdapter,
   });
 
+  // FIXME is this still needed, should it always happen?
   if (loginMatrix) {
-    await testRealm.matrixClient.login();
+    await testRealm.logInToMatrix();
   }
 
   virtualNetwork.mount(testRealm.handle);

Diff for: packages/realm-server/tests/realm-endpoints-test.ts

@@ -3182,7 +3182,7 @@ module(basename(__filename), function () {
           matrixURL,
         }));
 
-        await testRealm.matrixClient.login();
+        await testRealm.logInToMatrix();
       }
 
       setupDB(hooks, {

Diff for: packages/runtime-common/realm.ts

@@ -459,6 +459,10 @@ export class Realm {
     });
   }
 
+  async logInToMatrix() {
+    await this.#matrixClient.login();
+  }
+
   private async readinessCheck(
     _request: Request,
     requestContext: RequestContext,