Criteria: Add criterion should go in 1st page

src/app/pages/content-providers/criteria/criteria.component.ts

@@ -104,7 +104,7 @@ export class CriteriaComponent implements OnInit {
     this.criteria.insert(0, this.fb.group({
       constraint: constraintArray
     }));
-    this.page = Math.ceil(this.criteria.length/this.pageSize);
+    this.page = 1;
     this.cdr.detectChanges();
   }