chore(*): Add back explicit markAsTouched on formControl valueChanges for the tests.

Author: MKirova

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

@@ -871,6 +871,10 @@ export class IgxGridCellComponent implements OnInit, OnChanges, OnDestroy, CellT
      */
     public ngOnChanges(changes: SimpleChanges): void {
         if (changes.editMode && changes.editMode.currentValue && this.formControl) {
+            // ensure when values change, form control is forced to be marked as touche.
+            this.formControl.valueChanges.pipe(takeWhile(x => this.editMode)).subscribe(value => {
+                this.formControl.markAsTouched();
+            });
             // while in edit mode subscribe to value changes on the current form control and set to editValue
             this.formControl.statusChanges.pipe(takeWhile(x => this.editMode)).subscribe(status => {
                 if (status === 'INVALID' && this.errorTooltip.length > 0) {

projects/igniteui-angular/src/lib/grids/common/crud.service.ts

@@ -101,10 +101,7 @@ export class IgxCell {
         public _editValue: any,
         public rowData: any,
         public grid: GridType) {
-        const formGroup = this.grid.validation.create(id.rowID, rowData);
-        if (this.grid.validationTrigger === 'change') {
-            formGroup.get(column.field).setValue(value);
-        }
+        this.grid.validation.create(id.rowID, rowData);
     }
 
     public get editValue() {