DOCS: Fix cloud extension grid

[Samuelopez-ansys]

Description

Please provide a brief description of the changes made in this pull request.

Issue linked

Close #5957

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have agreed with the Contributor License Agreement (CLA).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.00%. Comparing base (0701b6c) to head (9469e98).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5960   +/-   ##
=======================================
  Coverage   85.00%   85.00%           
=======================================
  Files         162      162           
  Lines       62603    62603           
=======================================
+ Hits        53213    53214    +1     
+ Misses       9390     9389    -1     

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[SMoraisAnsys]

LGTM, nice catch