title: How to load Observable array property as Angular Material Table data source?
body: <p>I have an Observable array property with the value fetched from Rest API.</p>
  
  <p>Currently I am using ngFor to show the data in the standard html table.</p>
  
  <p>Now I want to switch into Angular Material Table (MatTableDataSource). How do I load the [dataSource] with the data I have from the Observables?</p>