src/vs/workbench/contrib/debug/browser/debugEditorContribution.ts/DebugEditorContribution/onEditorMouseDown
class DebugEditorContribution:	private onEditorMouseDown(mouseEvent: IEditorMouseEvent): void {
		this.mouseDown = true;
		if (mouseEvent.target.type === MouseTargetType.CONTENT_WIDGET && mouseEvent.target.detail === DebugHoverWidget.ID) {
			return;
		}

		this.hideHoverWidget();
	}