[AAE-27113] Align edit assignee button correctly in process admin user task property editor

Please check if the PR fulfills these requirements

[x] The commit message follows our guidelines

[x] Tests for the changes have been added (for bug fixes / features)

[x] Docs have been added / updated (for bug fixes / features)

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

[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) https://hyland.atlassian.net/browse/AAE-27113

What is the new behaviour? https://hyland.atlassian.net/browse/AAE-27113

Applied overflow behavior so that the text and icon will not overlap:

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

[ ] Yes

[x] No

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

Other information: Because of the overall styling of form fields, it is recommended to use absolute position.

Alfresco / alfresco-ng2-components

[AAE-27113] Align edit assignee button correctly in process admin user task property editor #10371

Quality Gate passed