feat(PdfViewer): use HTTPS protocal

[ArgoZhang]

Link issues

fixes #6182

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Bug Fixes:

• Fix PDF viewer loading insecure HTTP resources by switching to HTTPS (feat(PdfViewer): use HTTPS protocal #6182)

[sourcery-ai]

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (fdbfbc8) to head (7fa161f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6183   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          704       704           
  Lines        31099     31099           
  Branches      4394      4394           
=========================================
  Hits         31099     31099           

Flag	Coverage Δ
BB	100.00% <ø> (?)

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