Add case insensitive enum match fallback

StabilityMatrix.Core/Converters/Json/DefaultUnknownEnumConverter.cs

@@ -81,11 +81,23 @@ public class DefaultUnknownEnumConverter<
 
         if (reader.GetString() is { } readerString)
         {
+            // First try get exact match
             if (EnumMemberValues.TryGetValue(readerString, out var enumMemberValue))
             {
                 return enumMemberValue;
             }
 
+            // Otherwise try get case-insensitive match
+            if (
+                EnumMemberValues.Keys.FirstOrDefault(
+                    key => key.Equals(readerString, StringComparison.OrdinalIgnoreCase)
+                ) is
+                { } enumMemberName
+            )
+            {
+                return EnumMemberValues[enumMemberName];
+            }
+
             Debug.WriteLine($"Unknown enum member value for {typeToConvert}: {readerString}");
         }