fix : hydra

[valentin-dassonville]

Q	A
Branch?	main
License	MIT

Up to API Platform 4.

Get the error : Cannot find the class related to https://localhost/docs.jsonld#Entrypoint/greeting from api-doc-parser.

@dunglas @soyuka

[valentin-dassonville]

The problem is the key for return is wrong.
This is supportedOperation in a test that i made.
The problem is from the JsonLd expand in api-doc-parser. Only happen when hydra_prefix: false.

"http://www.w3.org/ns/hydra/core#supportedOperation": [
      {
        "@type": [
          "http://www.w3.org/ns/hydra/core#Operation",
          "https://schema.org/FindAction"
        ],
        "http://www.w3.org/2000/01/rdf-schema#label": [
          {
            "@value": "Retrieves the collection of Greeting resources."
          }
        ],
        "http://www.w3.org/ns/hydra/core#method": [
          {
            "@value": "GET"
          }
        ],
        "http://www.w3.org/ns/hydra/core#title": [
          {
            "@value": "Retrieves the collection of Greeting resources."
          }
        ],
        "https://localhost/docs.jsonld#returns": [
          {
            "@id": "https://localhost/Collection"
          }
        ]
      }