feat: add server settings for default board, default color scheme and default locale (#1373)

* feat: add server settings for default board, default color scheme and default locale

* chore: address pull request feedback

* test: adjust unit tests to match requirements

* fix: deepsource issue

* chore: add deepsource as dependency to translation library

* refactor: restructure language-combobox, adjust default locale for next-intl

* chore: change cookie keys prefix from homarr- to homarr.

apps/nextjs/src/components/language/current-language-combobox.tsx

@@ -0,0 +1,12 @@
+"use client";
+
+import { useChangeLocale, useCurrentLocale } from "@homarr/translation/client";
+
+import { LanguageCombobox } from "./language-combobox";
+
+export const CurrentLanguageCombobox = () => {
+  const currentLocale = useCurrentLocale();
+  const { changeLocale, isPending } = useChangeLocale();
+
+  return <LanguageCombobox value={currentLocale} onChange={changeLocale} isPending={isPending} />;
+};