Bring back hover state setting on cell model (#10758) (#10782)

src/sql/workbench/contrib/notebook/browser/cellViews/code.component.ts

@@ -79,6 +79,10 @@ export class CodeComponent extends CellView implements OnInit, OnChanges {
 		this._activeCellId = value;
 	}
 
+	@Input() set hover(value: boolean) {
+		this.cellModel.hover = value;
+	}
+
 	protected _actionBar: Taskbar;
 	private readonly _minimumHeight = 30;
 	private readonly _maximumHeight = 4000;