title: Saving mat-stepper state and pass it to same mat-stepper when page refreshes
body: <p>I am trying to preserve a mat-stepper's current steps completed. What I notice is that the whole thing resets when I refresh the page or when I click back button.</p>
  <p>What I did is store the states of each step (5 steps) in session storage and hopefully pass it to the mat-stepper each of the saved state.</p>
  <p>I am currently out of ideas.</p>