Changed to only allow selection of languages included in the standard macOS Locale

Author: SNQ-2001

Core/Sources/Preferences/ChatGPTLanguage.swift

@@ -0,0 +1,15 @@
+import Foundation
+
+public extension Locale {
+    static var availableLocales: [Locale] {
+        Locale.availableIdentifiers.compactMap(Locale.init).reduce(into: []) { (locales, locale) in
+            if !locales.contains(where: { $0.languageCode == locale.languageCode }) {
+                locales.append(locale)
+            }
+        }.sorted(by: { $0.languageName < $1.languageName })
+    }
+
+    var languageName: String {
+        localizedString(forLanguageCode: languageCode ?? "") ?? ""
+    }
+}