Merge branch 'master' into sstoychev/cancel-add-improv-master

Author: ChronosSF

projects/igniteui-angular/src/lib/directives/for-of/for_of.directive.ts

@@ -92,7 +92,7 @@ export class IgxForOfDirective<T> implements OnInit, OnChanges, DoCheck, OnDestr
      * ```
      */
     @Input()
-    public igxForOf: any[];
+    public igxForOf: any[] | null;
 
     /**
      * An @Input property that sets the property name from which to read the size in the data object.

projects/igniteui-angular/src/lib/grids/cell.component.ts

@@ -672,9 +672,6 @@ export class IgxGridCellComponent implements OnInit, OnChanges, OnDestroy {
             // prevent double-tap to zoom on iOS
             (event as HammerInput).preventDefault();
         }
-        if (this.grid.rowEditable && this.intRow.addRow) {
-            this.grid.crudService.enterEditMode(this, event as Event);
-        }
         if (this.editable && !this.editMode && !this.intRow.deleted && !this.grid.crudService.rowEditingBlocked) {
             this.grid.crudService.enterEditMode(this, event as Event);
         }