Mihnea Magheru

Add a type in the natvis template for detail::json_default_base

2

With version 3.12.0 the underlying type for a `nlohmann::json` object has become `nlohmann::json_abi_diag_v3_12_0::detail::json_default_base` and this type does not have a Type definition in the corresponding natvis template and generated natvis...

Natvis file for version 3.12.0 does not contain a type definition for detail::json_default_base

5

### Description With version 3.12.0 the underlying type for a nlohmann::json is nlohmann::json_abi_diag_v3_12_0::detail::json_default_base and this type does not have a Type definition in the corresponding natvis template and generated natvis...