BugFix blank cell

ai_models.html

@@ -131,8 +131,10 @@
 
             // creates an empty row
             else {
+              for (let j = 0; j < 2; j++) {
                 const td = tr.insertCell();       
                 td.appendChild(document.createTextNode("‎"))
+              }
             }
         }
     }