ui: add fallback to display language code if no emoji / flag

internal/site/src/components/lang-toggle.tsx

@@ -32,7 +32,10 @@ export function LangToggle() {
 						className={cn("px-2.5 flex gap-2.5 cursor-pointer", lang === i18n.locale && "bg-accent/70 font-medium")}
 						onClick={() => dynamicActivate(lang)}
 					>
-						<span>{e}</span> {label}
+						<span>
+							{e || <code className="font-mono bg-muted text-[.65em] w-5 h-4 grid place-items-center">{lang}</code>}
+						</span>{" "}
+						{label}
 					</DropdownMenuItem>
 				))}
 			</DropdownMenuContent>

internal/site/src/components/routes/settings/general.tsx

@@ -70,7 +70,16 @@ export default function SettingsProfilePage({ userSettings }: { userSettings: Us
 						<SelectContent>
 							{languages.map(([lang, label, e]) => (
 								<SelectItem key={lang} value={lang}>
-									<span className="me-2.5">{e}</span>
+									<span className="me-2.5">
+										{e || (
+											<code
+												aria-hidden="true"
+												className="font-mono bg-muted text-[.65em] w-5 h-4 inline-grid place-items-center"
+											>
+												{lang}
+											</code>
+										)}
+									</span>
 									{label}
 								</SelectItem>
 							))}