Fix PS.MarkRootGroup registration and update UI test artifacts

Registered PS.MarkRootGroup to correctly add the action, addressing a missing functionality. Changed test artifact capture condition from Windows to Ubuntu for consistency with the testing environment.

Author: VitaliyBoyko

.github/workflows/uitests.yml

@@ -71,12 +71,12 @@ jobs:
 # Uncomment if investigation is needed:
 
       - name: Capture Test Artifacts on Failure
-        if: failure() && matrix.os == 'windows-latest'
+        if: failure() && matrix.os == 'ubuntu-latest'
         run: tar -cvzf video.tgz ./video
         shell: bash
 
       - name: Upload Test Video Artifact
-        if: failure() && matrix.os == 'windows-latest'
+        if: failure() && matrix.os == 'ubuntu-latest'
         uses: actions/upload-artifact@v4
         with:
           name: latest-test-video

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0).
 ### Fixed
 
 - The themes select is empty [#2527](https://github.com/magento/magento2-phpstorm-plugin/pull/2527)
+- PS.MarkRootGroup isn't registered so the action won't be added to it [#2527](https://github.com/magento/magento2-phpstorm-plugin/pull/2527)
 
 ## 2025.1.0