src/vs/editor/contrib/gotoSymbol/browser/peek/referencesWidget.ts/ReferenceWidget/_onTitleClick
class ReferenceWidget:	protected override _onTitleClick(e: IMouseEvent): void {
		if (this._preview && this._preview.getModel()) {
			this._onDidSelectReference.fire({
				element: this._getFocusedReference(),
				kind: e.ctrlKey || e.metaKey || e.altKey ? 'side' : 'open',
				source: 'title'
			});
		}
	}