title: Property 'defaultColor' is missing in type 'NgxMatDatetimePicker<D>' but required in type 'CanColor'
body: <p>While doing &quot;ng build&quot;, I am facing the below errors.</p>
  <blockquote>
  <p>ERROR in node_modules/@angular-material-components/datetime-picker/lib/datetime-picker.component.d.ts:52:22 - error TS2420: Class 'NgxMatDatetimePicker' incorrectly implements interface 'CanColor'.</p>
  </blockquote>
  <p>and</p>
  <blockquote>
  <p>node_modules/@angular/material/core/common-behaviors/color.d.ts:15:5
  15     defaultColor: ThemePalette | undefined;
  ~~~~~~~~~~~~
  'defaultColor' is declared here.</p>
  </blockquote>