test: release mouse before hover and focus captures

[amir-ba]

Summary

Fix the remaining mouse-state capture issue from #2552 in the textarea and textfield visual tests. Release the mouse immediately after the active screenshot, before hover and focus captures.

 mouse.down()
 screenshot(active)
+mouse.up()
 screenshot(hover)
 screenshot(focus)

This PR is independent of the data-grid readiness fix. No component code or visual baselines change.

Evidence

• Before: Both tests leave the mouse button pressed through hover and focus captures.
• After: Both tests release it immediately after active.png.
• Pinned Linux Chromium visual comparison: all 38 textarea/textfield cases pass in light/dark mode with snapshot updates disabled, using freshly prepared Storybook assets.
• Existing visual baselines are unchanged.
• Changed-file Prettier and whitespace checks pass.

Merge Danger

Door: two-way

Blast Radius: tests

Only two visual test sequences change. Production behavior is unchanged.

[Copilot]

🟢 Approval recommended

The focused test-only changes correctly prevent pressed mouse state from leaking into later captures.

0 open findings

What changed in this PR

Releases the mouse after active-state captures so hover and focus screenshots use the correct input state.

Changes:

• Add page.mouse.up() after textarea and textfield active screenshots.
• Leave production code and visual baselines unchanged.

File	Description
packages/​visual-tests/​src/​textfield.visual.spec.js	Releases the mouse before subsequent state captures.
packages/​visual-tests/​src/​textarea.visual.spec.js	Releases the mouse before subsequent state captures.

🧠 Review effort: Balanced

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