MWPW-172504 Fix chatbot still overlapping

[meganthecoder]

• Follow up from MWPW-172504 Fix chat overlapping mega menu #333
• Fixes chat still overlapping

Resolves: MWPW-172504

Test URLs:
Note: Chat can only be tested on stage

• Before: https://main--bacom--adobecom.aem.live/?martech=off
• After: https://chat-fix--bacom--meganthecoder.aem.live/?martech=off

https://business.stage.adobe.com/products/marketo.html?newNav=true

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.82%. Comparing base (27c3028) to head (b442250).
Report is 119 commits behind head on stage.

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #337      +/-   ##
==========================================
- Coverage   95.95%   95.82%   -0.14%     
==========================================
  Files          11       13       +2     
  Lines        1088     1412     +324     
==========================================
+ Hits         1044     1353     +309     
- Misses         44       59      +15     

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[aem-code-sync]

	Page	Scores	Audits	Google
📱	/?martech=off
🖥️	/?martech=off