title: Angular reactive form patchvalue not working with mat-select dropdown
body: <p>I am building reactive form in which I have a mat-select dropdown with two button submit and load data . If user click on load data button I have to set a value to drop down I am using reactive forms patchValue() method to achieve this but the value the not reflected in option.
  I have created the same scenario under this link `</p>
  <blockquote>
  <p><a href="https://stackblitz.com/edit/angular-select-dropdown-reactive-form-yhevca?file=src%2Fapp%2Fapp.component.ts" rel="nofollow noreferrer">https://stackblitz.com/edit/angular-select-dropdown-reactive-form-yhevca?file=src%2Fapp%2Fapp.component.ts</a></p>
  </blockquote>
  <p>`</p>
  <p>could anyone please tell me how can I achieve this</p>