adjust replace json patch to replace elements in folders

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Description

Add option to replace tags in object added in folder

to patch items in folders you need to know the position of the element you are trying to patch in the array of metadataObjects or drafts:
currently it is enabled for tags add:

  {
            "op": "add",
            "path": "/metadataObjects/0/tags",
            "value": {"submissionType": "Form"},
        }

replace:

{
            "op": "replace",
            "path": "/metadataObjects/0/tags",
            "value": {"submissionType": "XML"},
        }

Related issues

CSCfi/metadata-submitter-frontend#144

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Changes Made

1. Add option to replace tags content element
2. fix bug, that prevented drafts been deleted correctly from users, and added tests for it.
3. make assert fail messages clearer in integration tests

Testing

• Integration Tests

Mentions