fix: Resolve issues of new file viewer UI 🐛

[lethemanh]

Changes:

This PR resolves the issue of new UI of file viewer:

1. Display Details all the time

Need:

linagora/cozy-libs#2922

Result:

Screen.Recording.2026-01-30.at.21.27.22.mov

Summary by CodeRabbit

• Refactor

  • Simplified the logic controlling the detail panel and changed how the panel is triggered to a counter-based update.

• Chores

  • Updated a viewer dependency to a newer patch version.

[coderabbitai]

Walkthrough

The changes modify the detail panel trigger mechanism in src/modules/actions/details.jsx. The displayCondition() function is simplified to check only the feature flag instead of requiring both the feature flag and location.state.showDetailPanel === false. The action handler now updates location.state by incrementing triggerDetailPanelTime (preserving other state via ...location.state) instead of setting showDetailPanel to true. package.json updates cozy-viewer from ^26.6.1 to ^26.6.4.

Possibly related PRs

• feat: Implement new UI of file viewer ✨ #3686: Modifies the same src/modules/actions/details.jsx detail action (displayCondition and navigation state update).
• chore: Upgrade cozy-viewer to 26.2.0 ⬆️ #3669: Bumps cozy-viewer dependency (related dependency change to package.json).
• chore: Upgrade cozy-viewer to 26.2.2 ⬆️ #3672: Bumps cozy-viewer dependency (related dependency change to package.json).

Suggested reviewers

• JF-Cozy
• zatteo
• rezk2ll

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main changes in the pull request - fixing file viewer UI issues by adjusting the details panel display logic and updating the cozy-viewer dependency.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix-file-viewer-ui

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[bundlemon]

BundleMon

Files updated (2)

Status	Path	Size	Limits
✅	static/js/cozy.(hash).js	805.02KB (+784B +0.1%)	-
✅	public/static/js/cozy.(hash).js	670.2KB (+744B +0.11%)	-

Unchanged files (19)

Status	Path	Size	Limits
✅	static/js/(chunkId).(hash).js	1.05MB	-
✅	public/static/js/(chunkId).(hash).js	1015.4KB	-
✅	(hash).js	336.11KB	-
✅	public/(hash).js	336.11KB	-
✅	services/qualificationMigration.js	282.2KB	-
✅	services/dacc.js	262.06KB	-
✅	static/js/main.(hash).js	163.94KB	-
✅	public/static/js/public.(hash).js	136.66KB	-
✅	public/static/js/lib-react.(hash).js	39.24KB	-
✅	static/js/lib-react.(hash).js	39.24KB	-
✅	public/static/css/cozy.(hash).css	33.89KB	-
✅	static/css/cozy.(hash).css	33.89KB	-
✅	public/static/js/lib-router.(hash).js	21.86KB	-
✅	static/js/lib-router.(hash).js	21.86KB	-
✅	static/css/main.(hash).css	16.94KB	-
✅	public/static/css/public.(hash).css	6.66KB	-
✅	manifest.webapp	3.04KB	-
✅	index.html	687B	-
✅	assets/manifest.json	185B	-

Total files change +1.5KB +0.03%

Groups updated (1)

Status	Path	Size	Limits
✅	**/*.js	6.97MB (+2.23KB +0.03%)	-

Unchanged groups (2)

Status	Path	Size	Limits
✅	**/*.{png,svg,ico}	2.19MB	-
✅	**/*.css	128.53KB	-

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history