fix change owner key

Change owner key was using new accountid instead of old one.

src/data_handler.ts

@@ -138,8 +138,7 @@ export class DataHandler {
       ctx.log.info(
         `Changed owner key of idty ${idtyChange.index} from ${idty.account.id} to ${new_account.id}`
       );
-      idty.account = new_account;
-      this.data.identities.set(idtyChange.index, idty);
+      // add change owner key event
       this.data.changeOwnerKey.push(
         new ChangeOwnerKey({
           id: idtyChange.id,
@@ -149,6 +148,9 @@ export class DataHandler {
           blockNumber: idtyChange.blockNumber,
         })
       );
+      // after adding the event we can update the identity
+      idty.account = new_account;
+      this.data.identities.set(idtyChange.index, idty);
     }
 
     // Process membership added