fixes
System.Text.Json.JsonException: Invalid value for System.Nullable`1[BO4E.ENUM.Gasqualitaet]: h_GAS
at BO4E.meta.LenientConverters.SystemTextGasqualitaetStringEnumConverter.Read(Utf8JsonReader& reader, Type typeToConvert, JsonSerializerOptions options) in D:\a\BO4E-dotnet\BO4E-dotnet\BO4E\meta\LenientConverters\GasqualitaetStringEnumConverter.cs:line 29
fixes System.Text.Json.JsonException: Invalid value for System.Nullable`1[BO4E.ENUM.Gasqualitaet]: h_GAS at BO4E.meta.LenientConverters.SystemTextGasqualitaetStringEnumConverter.Read(Utf8JsonReader& reader, Type typeToConvert, JsonSerializerOptions options) in D:\a\BO4E-dotnet\BO4E-dotnet\BO4E\meta\LenientConverters\GasqualitaetStringEnumConverter.cs:line 29