fix: rewrite aem.page/aem.live image srcs in editor to prevent 401 errors

[andreituicu]

Description

Images stored with *.aem.page or *.aem.live URLs now display correctly in the editor without triggering 401 errors.

When DA documents contain images served from AEM preview/publish hosts, the editor lacks the auth those hosts require. This PR rewrites those image URLs to their *.preview.da.live equivalent at render time via ProseMirror nodeViews — display-only, never written back to the document or synced via collab.

How Has This Been Tested?

Manually with: https://fximg--da-live--adobe.aem.live/edit#/andreituicu/da-test/mediabus

Screenshots (if appropriate):

The image with the cat is behind helix auth: https://main--da-test--andreituicu.aem.page/media_1222da127066e69ab4693b1aa98ad4cd6fdfe1fe4.jpg?width=2000&format=webply&optimize=medium

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

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Commits

• 7e714ac ✅ (latest)
• aee0536 ✅
• 5910474 ✅
• b08d1d9 ✅
• 836289a ✅
• c22aa1e ✅
• 6685bd9 ✅
• 176d3be ❌