fix(handle-callback): mfix setting authentication_id on firestore doc before saving

Author: leomp12

lib/methods/handle-callback.js

@@ -22,13 +22,8 @@ const handleCallback = client => {
       const { application, authentication } = reqBody
 
       // preset Firestore document common values
-      const firestoreDoc = collRef
-        ? {
-            store_id: storeId,
-            authentication_id: authenticationId
-          }
-        : null
-      if (collRef && application) {
+      const firestoreDoc = collRef ? { store_id: storeId } : null
+      if (firestoreDoc && application) {
         Object.assign(firestoreDoc, {
           application_id: application._id,
           application_app_id: application.app_id,
@@ -121,6 +116,7 @@ const handleCallback = client => {
           })
         } else if (firestoreDoc) {
           // run Firestore collection set
+          firestoreDoc.authentication_id = authenticationId
           collRef
             .doc(authenticationId)
             .set(firestoreDoc, { merge: true })