[mirotalksfu] - adapt aspect ratio

public/js/VideoGrid.js

@@ -4,7 +4,7 @@ let customRatio = true;
 
 // aspect       0      1      2      3       4
 let ratios = ['0:0', '4:3', '16:9', '1:1', '1:2'];
-let aspect = 0;
+let aspect = 2;
 
 let ratio = getAspectRatio();