fix(core): Fix configuration initialization by accepting a config argument

ts/classes.config.ts

@@ -15,7 +15,7 @@ export class CloudlyConfig {
     this.cloudlyRef = cloudlyRefArg;
   }
 
-  public async init() {
+  public async init(configArg?: plugins.servezoneInterfaces.data.ICloudlyConfig) {
     this.appData =
       await plugins.npmextra.AppData.createAndInit<plugins.servezoneInterfaces.data.ICloudlyConfig>(
         {
@@ -54,6 +54,7 @@ export class CloudlyConfig {
             'environment',
             'mongoDescriptor',
           ],
+          overwriteObject: configArg,
         },
       );