UIOR-1484 Implement action to clear rollover adjustment in the PO Line form

[usavkov-epam]

Purpose

https://folio-org.atlassian.net/browse/UIOR-1484

Enable users to quickly remove the "Rollover adjustment" value from a POL via a dedicated button in the "Cost" accordion, improving efficiency and reducing manual effort.

Screenshots

Screen.Recording.2026-01-29.at.17.54.47.mov

Pre-Merge Checklist

Before merging this PR, please go through the following list and take appropriate actions.

• I've added appropriate record to the CHANGELOG.md
• Does this PR meet or exceed the expected quality standards?
  • Code coverage on new code is 80% or greater
  • Duplications on new code is 3% or less
  • There are no major code smells or security issues
• Does this introduce breaking changes?
  • If any API-related changes - okapi interfaces and permissions are reviewed/changed correspondingly
  • There are no breaking changes in this PR.

[github-actions]

Jest Unit Test Results

    1 files  ±0    295 suites  +1   7m 1s ⏱️ -14s
1 002 tests +1  1 002 ✅ +1  0 💤 ±0  0 ❌ ±0 
1 010 runs  +1  1 010 ✅ +1  0 💤 ±0  0 ❌ ±0 

Results for commit d20ed91. ± Comparison against base commit 05107c2.

♻️ This comment has been updated with latest results.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud