[ADF-5165] - added involved user for task

[VitoAlbano]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:

What is the current behaviour? (You can also link to an open issue here)

What is the new behaviour?

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:
https://issues.alfresco.com/jira/browse/ADF-5165

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Vito Albano seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov-commenter]

Codecov Report

Merging #5985 into develop will increase coverage by 2.70%.
The diff coverage is 87.50%.

@@             Coverage Diff             @@
##           develop    #5985      +/-   ##
===========================================
+ Coverage    75.90%   78.61%   +2.70%     
===========================================
  Files          703      233     -470     
  Lines        14802     6410    -8392     
  Branches      2917     1259    -1658     
===========================================
- Hits         11236     5039    -6197     
+ Misses        2701      995    -1706     
+ Partials       865      376     -489     

Impacted Files	Coverage Δ
...k-list/components/task-form/task-form.component.ts	90.32% <87.50%> (-0.38%)	⬇️
.../lib/task-list/components/attach-form.component.ts	43.58% <0.00%> (ø)
lib/extensions/src/test.ts
...ib/core/search-text/search-text-input.component.ts
...mponents/widgets/dropdown/dropdown-cloud.widget.ts
...rc/lib/task/task-list/models/filter-cloud-model.ts
...components/events/diagram-start-event.component.ts
...components/raphael/raphael-flow-arrow.component.ts
lib/core/sorting-picker/sorting-picker.module.ts
lib/core/services/identity-role.service.ts
... and 746 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a0aaf0e...efcb2de. Read the comment docs.