fix(pivot): Re-trigger pipes if row height changes. (#17014)

Author: MayaKirova

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.component.ts

@@ -2556,6 +2556,8 @@ export class IgxPivotGridComponent extends IgxGridBaseDirective implements OnIni
         if (this.hasHorizontalLayout) {
             // Trigger pipes to recalc heights for the horizontal layout mrl rows.
             this.regroupTrigger++;
+        } else {
+            this.pipeTrigger++;
         }
     }