don't signal stable if cross-origin w/o multi-domain api use

packages/driver/src/cypress/cy.ts

@@ -467,6 +467,10 @@ export class $Cy implements ITimeouts, IStability, IAssertions, IRetries, IJQuer
  }
 
  initialize ($autIframe) {
+ const signalStable = () => {
+ this.isStable(true, 'load')
+ }
+
  this.state('$autIframe', $autIframe)
 
  // dont need to worry about a try/catch here
@@ -504,20 +508,23 @@ export class $Cy implements ITimeouts, IStability, IAssertions, IRetries, IJQuer
  // about:blank in a visit, we do need these
  this.contentWindowListeners(autWindow)
 
+ // stability is signalled after the window:load event to give event
+ // listeners time to be invoked prior to moving on, but not if
+ // there is cross-origin error and the multi-domain APIs are
+ // not utilized
  try {
  this.Cypress.action('app:window:load', this.state('window'))
+
+ signalStable()
  } catch (err) {
  // this catches errors thrown by user-registered event handlers
  // for `window:load`. this is used in the `catch` below so they
  // aren't mistaken as cross-origin errors
  err.isFromWindowLoadEvent = true
 
+ signalStable()
+
  throw err
- } finally {
- // we are now stable again which is purposefully
- // the last event we call here, to give our event
- // listeners time to be invoked prior to moving on
- this.isStable(true, 'load')
  }
  } catch (err) {
  if (err.isFromWindowLoadEvent) {
@@ -546,7 +553,7 @@ export class $Cy implements ITimeouts, IStability, IAssertions, IRetries, IJQuer
  // elsewhere to handle running cross-domain, so don't fail
  // because of it
  if (this.state('readyForMultidomain')) {
- this.isStable(true, 'load')
+ signalStable()
 
  return
  }