MWPW-164637 Use redirectUrl to prefetch next page

[TsayAdobe]

Resolves: MWPW-164637

Test URLs
Before: https://stage--dc--adobecom.hlx.page/acrobat/online/sign-pdf
After: https://MWPW-164637--dc--adobecom.hlx.page/acrobat/online/sign-pdf?unitylibs=stage

[aem-code-sync]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed.
In case there are problems, just click a checkbox below to rerun the respective action.

• Re-run PSI checks
• Re-sync branch

Commits

• 8078f59 ✅ (latest)
• 3f40ac4 ✅
• 3648169 ✅
• 27cdff3 ✅

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/acrobat/online/sign-pdf?unitylibs=stage
🖥️	/acrobat/online/sign-pdf?unitylibs=stage

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 41 lines in your changes missing coverage. Please review.

Project coverage is 80.89%. Comparing base (0befaab) to head (8078f59).
Report is 5 commits behind head on stage.

Files with missing lines	Patch %	Lines
acrobat/blocks/verb-widget/verb-widget.js	0.00%	41 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #932      +/-   ##
==========================================
- Coverage   82.36%   80.89%   -1.48%     
==========================================
  Files          49       49              
  Lines        6493     6490       -3     
==========================================
- Hits         5348     5250      -98     
- Misses       1145     1240      +95     

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