fix: await exportStackSettings in start method for proper execution flow

Author: harshithad0703

packages/contentstack-export/src/export/modules/stack.ts

@@ -27,7 +27,7 @@ export default class ExportStack extends BaseClass {
 
   async start(): Promise<void> {
     if (isAuthenticated()) {
-      this.exportStackSettings();
+      await this.exportStackSettings();
       const stackData = await this.getStack();
       if (stackData?.org_uid) {
         this.exportConfig.org_uid = stackData.org_uid;