src/vs/platform/menubar/electron-main/menubar.ts/Menubar/currentEnableMenuBarMnemonics
class Menubar:	private get currentEnableMenuBarMnemonics(): boolean {
		const enableMenuBarMnemonics = this.configurationService.getValue('window.enableMenuBarMnemonics');
		if (typeof enableMenuBarMnemonics !== 'boolean') {
			return true;
		}

		return enableMenuBarMnemonics;
	}