completeFromDAInstance add Val instead of replacing it

[massifben]

Subject of the issue

LnService.completeFromDAInstance add Val instead of replacing it.

• Version of CoMPAS 0.2.35

Steps to reproduce
Create this test in LnServiceTest

@Test
void completeFromDAInstance_should_replace_existing_val() {
    //Given
    TIED tied = new TIED();
    TAnyLN tAnyLN = initDOAndDAInstances(
            new LinkedList<>(List.of("Do")),
            new LinkedList<>(List.of("Da")),
            "value from DAI", true
    );
    DataObject dataObject = new DataObject();
    dataObject.setDoName("Do");
    DataAttribute dataAttribute = new DataAttribute();
    dataAttribute.setDaName("Da");
    dataAttribute.getDaiValues().add(new DaVal(null, "value from DataTypeTemplate"));
    DoLinkedToDa doLinkedToDa = new DoLinkedToDa(dataObject, dataAttribute);
    //When
    LnService lnService = new LnService();
    lnService.completeFromDAInstance(tied, "ldInst", tAnyLN, doLinkedToDa);
    //Then
    assertThat(doLinkedToDa.dataAttribute().getDaiValues()).containsExactly(new DaVal(null, "value from DAI"));
}

Expected behaviour
Test should succeed : doLinkedToDa.dataAttribute should contain a single value "value from DAI".

Actual behaviour
doLinkedToDa.dataAttribute contains two values : "value from DAI", "value from DataTypeTemplate"

Test fails with error :

Expecting actual:
  [DaVal[settingGroup=null, val=value from DataTypeTemplate],
    DaVal[settingGroup=null, val=value from DAI]]
to contain exactly (and in same order):
  [DaVal[settingGroup=null, val=value from DAI]]
but some elements were not expected:
  [DaVal[settingGroup=null, val=value from DataTypeTemplate]]