Before Connect + Before Subscribe help required (#6793)

* Before Connect + Before Subscribe #1

* Cleanup and Documentation

* Add E2E tests

* Bump parse to 2.15.0

Co-authored-by: Diamond Lewis <findlewis@gmail.com>

src/LiveQuery/Client.js

@@ -62,15 +62,17 @@ class Client {
     parseWebSocket: any,
     code: number,
     error: string,
-    reconnect: boolean = true
+    reconnect: boolean = true,
+    requestId: number | void = null
   ): void {
     Client.pushResponse(
       parseWebSocket,
       JSON.stringify({
         op: 'error',
-        error: error,
-        code: code,
-        reconnect: reconnect,
+        error,
+        code,
+        reconnect,
+        requestId,
       })
     );
   }