Parameter explode: true does not work

[hamir-suspect]

As per openapi if the explode: true and style: form the parameters should be serialized as follows:

URI template: /users{?id*}
Object id = {"role": "admin", "firstName": "Alex"} ---> /users?role=admin&firstName=Alex

With current implamentation of OpenApiSpex.CastParameters it is only possible to use query param as a deepObject and that looks like: /users?id[role]=admin&id[firstName]=Alex.
The explode: true does nothing in this case.
The CastParameters module when creating a schema for a location (path, query,...) it is always using the top name of the object and not exploding the parameter properties.

[hamir-suspect]

WDYT @moxley @mbuhot