[CCEX-248841] Enable Open in express export option for safari desktop only

[kalyanrevuru]

Summary

https://jira.corp.adobe.com/browse/CCEX-248841

This PR enables "Open in adobe express" CTA for safari desktop only. iOS/iPad will still not see "Open in adobe express", as LOE is not enabled for iOS/iPad.

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Jira Ticket

Resolves: CCEX-248841

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Test URLs

Env	URL
Before	https://main--express-milo--adobecom.aem.page/express/
After	https://frictionless-safari--express-milo--kalyanrevuru.aem.page/express/?martech=off

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Verification Steps

• Steps to reproduce the issue or view the new feature.
• What to expect before and after the change.

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Potential Regressions

• https://frictionless-safari--express-milo--kalyanrevuru.aem.live/express/?martech=off

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Additional Notes

(If applicable) Add context, related PRs, or known issues here.

[aem-code-sync]

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

[codecov-commenter]

Codecov Report

❌ Patch coverage is 37.83784% with 23 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.62%. Comparing base (e80982c) to head (2fd564f).

Files with missing lines	Patch %	Lines
express/code/scripts/utils/frictionless-utils.js	37.83%	23 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #783      +/-   ##
==========================================
- Coverage   70.86%   70.62%   -0.25%     
==========================================
  Files         109      108       -1     
  Lines       25341    25270      -71     
==========================================
- Hits        17959    17846     -113     
- Misses       7382     7424      +42     

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