json-prune in Firefox extension, but not in Chrome extension, can not prune internal objects

[Yuki2718]

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• Filters were updated before reproducing an issue
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AdGuard Extension version

4.4.49

Browser version

Firefox 135.0.1

OS version

Windows 11

Ad Blocking

AdGuard Base filter

Privacy

No response

Social

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Annoyances

No response

Security

No response

Other

No response

Language-specific

No response

What Tracking protection options do you have enabled?

No response

Issue Details

Steps to reproduce:

1. Add m.youtube.com#%#//scriptlet('json-prune') to User rules
2. Visit https://m.youtube.com/watch?v=mmTmdMGbk_M
3. Search console for overlay and see no match is shown. Also for responseContext and see it's empty.

Expected Behavior

json-prune should be able to prune overlay.bottomSheetOverlayRenderer

Actual Behavior

Not and responseContext is empty.

Screenshots

Screenshot with Firefox

Screenshot with Chrome

Additional Information

Required to fix uBlockOrigin/uAssets#20586 (comment) IDK if this should be reported to https://github.com/AdguardTeam/Scriptlets/issues