[CORL-406] Tenant Locale Selection (#2450)

* feat: added preload config

* feat: support changing locale

* fix: name case

* fix: removed unused code

* feat: added translations for default reactions

* fix: do not translate icon

* fix: shorter i18n keys

src/core/common/helpers/i18n/locales.ts

@@ -4,15 +4,23 @@
  */
 export type LanguageCode = "en-US" | "pt-BR" | "es" | "de" | "nl-NL" | "da";
 
+/**
+ * LOCALES_MAP contains a map of language codes associated with their
+ * name in native language.
+ */
+export const LOCALES_MAP: Record<LanguageCode, string> = {
+  "en-US": "English",
+  "pt-BR": "Português brasileiro",
+  es: "Español",
+  de: "Deutsch",
+  "nl-NL": "Nederlands",
+  da: "Dansk",
+};
+
 /**
  * LOCALES is an array of supported language codes that can be accessed as a
  * value.
  */
-export const LOCALES: LanguageCode[] = [
-  "en-US",
-  "pt-BR",
-  "es",
-  "de",
-  "nl-NL",
-  "da",
-];
+export const LOCALES: LanguageCode[] = Object.keys(
+  LOCALES_MAP
+) as LanguageCode[];