chore(demo): use better representive method name

Author: ghiscoding

src/app/examples/grid-frozen.component.ts

@@ -48,11 +48,11 @@ export class GridFrozenComponent implements OnInit, OnDestroy {
     // with frozen (pinned) grid, in order to see the entire row being highlighted when hovering
     // we need to do some extra tricks (that is because frozen grids use 2 separate div containers)
     // the trick is to use row selection to highlight when hovering current row and remove selection once we're not
-    this.slickEventHandler.subscribe(this.gridObj.onMouseEnter, (event: Event) => this.highlightRow(event, true));
-    this.slickEventHandler.subscribe(this.gridObj.onMouseLeave, (event: Event) => this.highlightRow(event, false));
+    this.slickEventHandler.subscribe(this.gridObj.onMouseEnter, (event: Event) => this.colorizeHoveringRow(event, true));
+    this.slickEventHandler.subscribe(this.gridObj.onMouseLeave, (event: Event) => this.colorizeHoveringRow(event, false));
   }
 
-  highlightRow(event: Event, isMouseEnter: boolean) {
+  colorizeHoveringRow(event: Event, isMouseEnter: boolean) {
     const cell = this.gridObj.getCellFromEvent(event);
     const rows = isMouseEnter ? [cell?.row ?? 0] : [];
     this.gridObj.setSelectedRows(rows); // highlight current row