src/vs/base/browser/ui/menu/menubar.ts/MenuBar/setUnfocusedState
class MenuBar:	private setUnfocusedState(): void {
		if (this.options.visibility === 'toggle' || this.options.visibility === 'hidden') {
			this.focusState = MenubarState.HIDDEN;
		} else if (this.options.visibility === 'classic' && browser.isFullscreen()) {
			this.focusState = MenubarState.HIDDEN;
		} else {
			this.focusState = MenubarState.VISIBLE;
		}

		this.ignoreNextMouseUp = false;
		this.mnemonicsInUse = false;
		this.updateMnemonicVisibility(false);
	}