[ZZZ GSP] Keep unknown properties on serialization

+ Use indentation on serializing the JSON

Author: neon-nyan

CollapseLauncher/Classes/GameManagement/GameSettings/BaseClass/MagicNodeBaseValues.cs

@@ -408,7 +408,7 @@ public void Save()
                 Directory.CreateDirectory(fileDirPath!);
 
             // Write into the file
-            string jsonString = SettingsJsonNode.SerializeJsonNode(TypeInfo, false);
+            string jsonString = SettingsJsonNode.SerializeJsonNode(TypeInfo, false, true);
             Sleepy.WriteString(filePath, jsonString, Magic);
         }
 

CollapseLauncher/Classes/GameManagement/GameSettings/Zenless/Context.cs

@@ -3,6 +3,9 @@
 
 namespace CollapseLauncher.GameSettings.Zenless.Context;
 
-[JsonSourceGenerationOptions(IncludeFields = false, GenerationMode = JsonSourceGenerationMode.Metadata, IgnoreReadOnlyFields = true)]
+[JsonSourceGenerationOptions(IncludeFields = false,
+                             GenerationMode = JsonSourceGenerationMode.Metadata,
+                             IgnoreReadOnlyFields = true,
+                             UnknownTypeHandling = JsonUnknownTypeHandling.JsonNode)]
 [JsonSerializable(typeof(GeneralData))]
-internal sealed partial class ZenlessSettingsJsonContext : JsonSerializerContext {}
+internal sealed partial class ZenlessSettingsJsonContext : JsonSerializerContext;