Split Chinese to Simplified/Traditional for DeepL + ChatGPT (and more)

Working on #9299

Author: niksedk

src/libse/AutoTranslate/ChatGptTranslate.cs

@@ -39,7 +39,7 @@ public static string RemovePreamble(string original, string input)
             var indexOfStartThink = translation.IndexOf("<think>");
             var indexOfEndThink = translation.IndexOf("</think>");
             if (indexOfStartThink >= 0 && indexOfEndThink > indexOfStartThink)
-            { 
+            {
                 translation = translation.Remove(indexOfStartThink, indexOfEndThink - indexOfStartThink + 8).Trim();
             }
 
@@ -145,7 +145,8 @@ public static List<TranslationPair> ListLanguages()
                MakePair("Cantonese","zh"),
                MakePair("Catalan","ca"),
                MakePair("Chhattisgarhi",""),
-               MakePair("Chinese","zh"),
+               MakePair("Chinese (Simplified)", "zho_Hans"),
+               MakePair("Chinese (Traditional)","zh-Hant"),
                MakePair("Croatian","hr"),
                MakePair("Czech","cs"),
                MakePair("Danish","da"),

src/libse/AutoTranslate/DeepLTranslate.cs

@@ -86,7 +86,8 @@ public List<TranslationPair> GetSupportedTargetLanguages()
             {
                 MakeTranslationPair("Arabic", "ar"),
                 MakeTranslationPair("Bulgarian", "bg"),
-                MakeTranslationPair("Chinese", "zh"),
+                MakeTranslationPair("Chinese (simplified)", "zh-hans"),
+                MakeTranslationPair("Chinese (traditional)", "zh-hant"),
                 MakeTranslationPair("Czech", "cs"),
                 MakeTranslationPair("Danish", "da"),
                 MakeTranslationPair("Dutch", "nl", true),