chore(*): Update the default row height if content size changed. (#17034)

Author: MayaKirova

projects/igniteui-angular/grids/grid/src/grid-base.directive.ts

@@ -3857,7 +3857,7 @@ export abstract class IgxGridBaseDirective implements GridType,
         });
 
         this.verticalScrollContainer.contentSizeChange.pipe(filter(() => !this._init), throttleTime(30), destructor).subscribe(() => {
-            this.notifyChanges(true);
+            this.onContentSizeChange();
         });
 
         this.verticalScrollContainer.chunkPreload.pipe(filter(() => !this._init), destructor).subscribe(() => {
@@ -8213,6 +8213,10 @@ export abstract class IgxGridBaseDirective implements GridType,
         return Object.keys(oldData[0]).join() !== Object.keys(newData[0]).join();
     }
 
+    protected onContentSizeChange() {
+        this.notifyChanges(true);
+    }
+
     /**
      * Clears the current navigation service active node
      */

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

@@ -2053,6 +2053,11 @@ export class IgxPivotGridComponent extends IgxGridBaseDirective implements OnIni
         this._dataView = data;
     }
 
+    protected override onContentSizeChange() {
+        super.onContentSizeChange();
+        this.updateDefaultRowHeight();
+    }
+
     /**
      * @hidden @internal
      */