Patient/{id}/$everything does not return related Contracts

{
 "resourceType": "Patient",
 "id": "example",
 "text": {
   "status": "generated",
   "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\t<table>\n\t\t\t\t<tbody>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Name</td>\n\t\t\t\t\t\t<td>Peter James \n              <b>Chalmers</b> (&quot;Jim&quot;)\n            </td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Address</td>\n\t\t\t\t\t\t<td>534 Erewhon, Pleasantville, Vic, 3999</td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Contacts</td>\n\t\t\t\t\t\t<td>Home: unknown. Work: (03) 5555 6473</td>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td>Id</td>\n\t\t\t\t\t\t<td>MRN: 12345 (Acme Healthcare)</td>\n\t\t\t\t\t</tr>\n\t\t\t\t</tbody>\n\t\t\t</table>\n\t\t</div>"
 },
 "identifier": [
   {
     "use": "usual",
     "type": {
       "coding": [
         {
           "system": "http://terminology.hl7.org/CodeSystem/v2-0203",
           "code": "MR"
         }
       ]
     },
     "system": "urn:oid:1.2.36.146.595.217.0.1",
     "value": "12345",
     "period": {
       "start": "2001-05-06"
     },
     "assigner": {
       "display": "Acme Healthcare"
     }
   }
 ],
 "active": true,
 "name": [
   {
     "use": "official",
     "family": "Chalmers",
     "given": [
       "Peter",
       "James"
     ]
   },
   {
     "use": "usual",
     "given": [
       "Jim"
     ]
   },
   {
     "use": "maiden",
     "family": "Windsor",
     "given": [
       "Peter",
       "James"
     ],
     "period": {
       "end": "2002"
     }
   }
 ],
 "telecom": [
   {
     "use": "home"
   },
   {
     "system": "phone",
     "value": "(03) 5555 6473",
     "use": "work",
     "rank": 1
   },
   {
     "system": "phone",
     "value": "(03) 3410 5613",
     "use": "mobile",
     "rank": 2
   },
   {
     "system": "phone",
     "value": "(03) 5555 8834",
     "use": "old",
     "period": {
       "end": "2014"
     }
   }
 ],
 "gender": "male",
 "birthDate": "1974-12-25",
 "_birthDate": {
   "extension": [
     {
       "url": "http://hl7.org/fhir/StructureDefinition/patient-birthTime",
       "valueDateTime": "1974-12-25T14:35:45-05:00"
     }
   ]
 },
 "deceasedBoolean": false,
 "address": [
   {
     "use": "home",
     "type": "both",
     "text": "534 Erewhon St PeasantVille, Rainbow, Vic  3999",
     "line": [
       "534 Erewhon St"
     ],
     "city": "PleasantVille",
     "district": "Rainbow",
     "state": "Vic",
     "postalCode": "3999",
     "period": {
       "start": "1974-12-25"
     }
   }
 ],
 "contact": [
   {
     "relationship": [
       {
         "coding": [
           {
             "system": "http://terminology.hl7.org/CodeSystem/v2-0131",
             "code": "N"
           }
         ]
       }
     ],
     "name": {
       "family": "du Marché",
       "_family": {
         "extension": [
           {
             "url": "http://hl7.org/fhir/StructureDefinition/humanname-own-prefix",
             "valueString": "VV"
           }
         ]
       },
       "given": [
         "Bénédicte"
       ]
     },
     "telecom": [
       {
         "system": "phone",
         "value": "+33 (237) 998327"
       }
     ],
     "address": {
       "use": "home",
       "type": "both",
       "line": [
         "534 Erewhon St"
       ],
       "city": "PleasantVille",
       "district": "Rainbow",
       "state": "Vic",
       "postalCode": "3999",
       "period": {
         "start": "1974-12-25"
       }
     },
     "gender": "female",
     "period": {
       "start": "2012"
     }
   }
 ],
 "managingOrganization": {
   "reference": "Organization/1"
 }
}

Response payload:

{
    "resourceType": "Patient",
    "id": "6fad1f14-8b8a-4a8e-9223-e5b9329576c8",
   //...
}

{
                "resourceType": "Contract",
                "meta": {
                    "versionId": "1",
                    "lastUpdated": "2024-06-11T11:26:54.846+00:00",
                    "profile": [
                        "http://hl7.org/fhir/StructureDefinition/Contract"
                    ]
                },
                "subject": [
                    {"reference": "Patient/6fad1f14-8b8a-4a8e-9223-e5b9329576c8"}
                ],
                "identifier": [
                    {
                        "use": "usual",
                        "system": "https://local-system/Id/local-id",
                        "value": "LOCALIDHASHGOESHERE"
                    }
                ],
                "status": "appended"
 }

Response with payload:

{
    "resourceType": "Contract",
    "id": "0ad7d0a8-ceae-4b28-ac5e-d83188649a0b",
   //...
}