fix: check scrolling parent not null

[mlmoravek]

No description provided.

[netlify]

✅ Deploy Preview for oruga-documentation-preview ready!

Name	Link
🔨 Latest commit	59b33e6
🔍 Latest deploy log	https://app.netlify.com/sites/oruga-documentation-preview/deploys/65dccb7e99d25200075c10eb
😎 Deploy Preview	https://deploy-preview-813--oruga-documentation-preview.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.66%. Comparing base (a888192) to head (59b33e6).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #813      +/-   ##
===========================================
+ Coverage    54.60%   54.66%   +0.06%     
===========================================
  Files           31       31              
  Lines         1498     1500       +2     
  Branches       534      536       +2     
===========================================
+ Hits           818      820       +2     
  Misses         680      680              

Flag	Coverage Δ
oruga-next	54.66% <100.00%> (+0.06%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.