🐛(frontend) hide the selection highlight on presenter images

[Ovgodd]

Purpose

Opening presenter mode paints a blue frame and tint on a slide that starts
with an image, which reads as keyboard focus even though nothing is focused.

It is BlockNote's node selection: it is drawn as an ::after
overlay, and the presenter only reset outline. The same component renders
the PDF export, so the halo was also printed into exported slides.

Reported as "focus is put on image of the presentation with no reason".
The actual focus handling in presenter mode is a separate change that is handle in this PR.

BEFORE :

presentermodeoverlaybefore.mp4

AFTER :

presentermodeoverlayafter.mp4

Proposal

• Hide BlockNote's ::after selection overlay in presenter slides
• Extend the existing e2e test to assert on the overlay, not just outline
• no regression: images stay selectable (blue chrome) outside presenter mode

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Advanced

Run ID: 6d9bd4e0-b682-4f60-9b5d-879de5466cf5

📥 Commits

Reviewing files that changed from the base of the PR and between 64b23e8 and 5187bfe.

📒 Files selected for processing (3)

• CHANGELOG.md
• src/frontend/apps/e2e/__tests__/app-impress/presenter-mode.spec.ts
• src/frontend/apps/impress/src/features/docs/doc-presenter/components/PresenterSlideContent.tsx

Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.

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Walkthrough

The presenter view now hides BlockNote selection overlays on selected block and inline content. The presenter-mode end-to-end test checks that the overlay content is none and that the outline remains disabled. The changelog documents the fix and removes trailing whitespace from an existing entry.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to bcc1e

Presenter slides and exported slides no longer show image selection chrome, while normal editor selection styling remains unchanged. No current merge-blocking risk remains.

Suggested reviewers: panchoutnathan

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the main change: hiding the selection highlight on presenter images. It is concise and related to the changeset.
Description check	✅ Passed	The description accurately explains the BlockNote selection overlay, the presenter and PDF impact, the test update, and the separate focus-handling change.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 2…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/presenter-hide-block-selection

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[github-actions]

Size Change: 0 B

Total Size: 5.94 MB

📦 View Changed

Filename	Size	Change
apps/impress/out/_next/static/75f9f6d4/_buildManifest.js	0 B	-721 B (removed)	🏆
apps/impress/out/_next/static/27022d83/_buildManifest.js	721 B	+721 B (new file)	🆕

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