title: mat-form-field always show required red color?
body: <p>Is there any way to always show the red color of a <code>mat-form-field</code> when it have the <code>required="true"</code>, even if I never set the focus on it or I touched it?</p>
  
  <pre><code>&lt;mat-form-field color="accent"&gt;
    &lt;input matInput placeholder="ID is required" required="true [(ngModel)]="uniqueID"&gt;
  &lt;/mat-form-field&gt;
  </code></pre>
  
  <p>I just want to show the red color of the error but from the beginning, before I even touch the input.</p>
  
  <p>How Is it posible? </p>