Incorrect nesting of elements in complex extension

[mechanik-daniel]

Expression:

{
  "ishhearot": [
    {
      "tarich": "2023-11-19T10:20:40Z",
      "hearot": "טקסט הערה",
      "user_name": "benny",
      "k_metapel": 1,
      "shem_metapel": "אנשל",
      "k_heara": 57,
      "teur_heara": "מרפאת דיאליזה PD"
    },
    {
      "tarich": "2023-11-19T10:23:24Z",
      "hearot": "סתם הערה",
      "user_name": "aaa"
    }
  ]
}.(
  Instance: $uuid()
  InstanceOf: encounter-admission

  * (ishhearot).extension[hearot]
    * extension[note]
      * valueAnnotation
        * authorReference.identifier
          * system = 'http://fhir.laniado.org.il/Identifier/user-name'
          * value = user_name
        * time = tarich
        * text = hearot
    * extension[metapel].value
      * code = $.k_metapel
      * display = shem_metapel
    * extension[k-heara].value
      * code = k_heara
      * display = teur_heara
) ~> $selectKeys('extension')

Expected:

{
  "extension": [
    {
      "url": "http://fhir.laniado.org.il/StructureDefinition/ext-administrative-encounter-note",
      "extension": [
        {
          "url": "note",
          "valueAnnotation": {
            "authorReference": {
              "identifier": {
                "system": "http://fhir.laniado.org.il/Identifier/user-name",
                "value": "benny"
              }
            },
            "time": "2023-11-19T10:20:40Z",
            "text": "טקסט הערה"
          }
        },
        {
          "url": "metapel",
          "valueCoding": {
            "code": "1",
            "display": "אנשל"
          }
        },
        {
          "url": "k-heara",
          "valueCoding": {
            "code": "57",
            "display": "מרפאת דיאליזה PD"
          }
        }
      ]
    },
    {
      "url": "http://fhir.laniado.org.il/StructureDefinition/ext-administrative-encounter-note",
      "extension": [
        {
          "url": "note",
          "valueAnnotation": {
            "authorReference": {
              "identifier": {
                "system": "http://fhir.laniado.org.il/Identifier/user-name",
                "value": "aaa"
              }
            },
            "time": "2023-11-19T10:23:24Z",
            "text": "סתם הערה"
          }
        }
      ]
    }
  ]
}

Actual:

{
  "extension": [
    {
      "extension": [
        {
          "url": "note"
        },
        {
          "url": "note",
          "valueAnnotation": {
            "authorReference": {
              "identifier": {
                "system": "http://fhir.laniado.org.il/Identifier/user-name",
                "value": "benny"
              }
            },
            "time": "2023-11-19T10:20:40Z",
            "text": "טקסט הערה"
          }
        },
        {
          "url": "note",
          "valueAnnotation": {
            "authorReference": {
              "identifier": {
                "system": "http://fhir.laniado.org.il/Identifier/user-name",
                "value": "aaa"
              }
            },
            "time": "2023-11-19T10:23:24Z",
            "text": "סתם הערה"
          }
        }
      ],
      "url": "http://fhir.laniado.org.il/StructureDefinition/ext-administrative-encounter-note"
    }
  ]
}

[mechanik-daniel]

Expected two extensions, one with note, metapel and k_heara and the other with just note.
Actual results have only one extension object with just 3 notes (one of which has only a url and nothing more)

[mechanik-daniel]

Profile: http://fhir.laniado.org.il/StructureDefinition/encounter-admission
Package: laniado.test.fhir.r4@0.1.63