Fix DateOnly parsing

Author: McMlok

modules/openapi-generator/src/main/resources/csharp/libraries/generichost/DateOnlyJsonConverter.mustache

@@ -34,7 +34,7 @@ namespace {{packageName}}.{{clientPackage}}
             string value = reader.GetString(){{nrt!}};
 
             foreach(string format in Formats)
-                if (DateOnly.TryParseExact(value, format, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out DateOnly result))
+                if (DateOnly.TryParseExact(value, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out DateOnly result))
                     return result;
 
             throw new NotSupportedException();

modules/openapi-generator/src/main/resources/csharp/libraries/generichost/DateOnlyNullableJsonConverter.mustache

@@ -34,7 +34,7 @@ namespace {{packageName}}.{{clientPackage}}
             string value = reader.GetString(){{nrt!}};
 
             foreach(string format in Formats)
-                if (DateOnly.TryParseExact(value, format, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out DateOnly result))
+                if (DateOnly.TryParseExact(value, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out DateOnly result))
                     return result;
 
             throw new NotSupportedException();