When working in AEM - its not best practice clicking the back button. Instead - make the change that you want to to make in author with the page opened in a browser. Then move to the next page by opening a new page using the website console view (as shown here in classic view):
As a matter of fact - i never even see the back button enabled in a page opened in author -- as shown here:
So please avoid using the back button in a browser. Instead navigate by opening new pages as shown here. This way - you will never have a component refresh issue.