Advanced Policy UI in Endpoint Security should delete empty entries in Package Policy

[kevinlog]

Kibana version:
7.11, 8.0

Elasticsearch version:
7.11, 8.0

Describe the bug:
The Advanced Policy UI leaves behind empty fields in the Package Policy which can pollute the Policy that is sent to the Endpoint. It should delete empty fields in the Advanced section of the Endpoint Package Policy.

Steps to reproduce:

1. Create Endpoint Policy
2. Navigate to the Endpoint Policy and add a value to an Advanced field in the UI and save. See that the value is reflected in the Package Policy in Fleet
3. Return to the Endpoint Policy and remove the field previously added. Save. See that the value is still present in the Policy in Fleet, but it's empty.

Expected behavior:
If the value is empty, it should be completely removed from the Policy sent to the Endpoint.

Screenshots (if relevant):

Here is the Policy with an advanced field added:

After removing the value via the UI, the field is still present, but empty. It should be removed entirely.

Advanced policy fields are added here:

[kevinlog]

PR: #84368

[muskangulati-qasource]

Hi @kevinlog,

We tested this on the latest 7.11.0 build and found that issue is now fixed.

Please find below the testing details.

Build Details:

Version: 7.11.0 BC8
Commit: 3f71ce7177a41e067ddb1e670ec4ace5f6d4f5fe
Build number: 37897
Artifact: https://staging.elastic.co/7.11.0-657c0367/summary-7.11.0.html

Refer Screenshot:

Hence, marking this ticket as 'Validated'.

Thanks!

[muskangulati-qasource]

Bug Conversion

• Test-Case not required as this particular checkpoint is covered in the 'Policy › Advanced Policy fields' section :
  • https://elastic.testrail.io/index.php?/cases/view/35288
  • https://elastic.testrail.io/index.php?/cases/view/35289

Thanks!