src/vs/workbench/contrib/debug/browser/variablesView.ts/VariablesView/onMouseDblClick
class VariablesView:	private onMouseDblClick(e: ITreeMouseEvent<IExpression | IScope>): void {
		const session = this.debugService.getViewModel().focusedSession;
		if (session && e.element instanceof Variable && session.capabilities.supportsSetVariable && !e.element.presentationHint?.attributes?.includes('readOnly') && !e.element.presentationHint?.lazy) {
			this.debugService.getViewModel().setSelectedExpression(e.element, false);
		}
	}