fix: e2e scrolling & add missing interface for sheet skeleton

[lumixraku]

close #xxx

Pull Request Checklist

• Related tickets or issues have been linked in the PR description (or missing issue).
• Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• Unit tests have been added for the changes (if applicable).
• Breaking changes have been documented (or no breaking changes introduced in this PR).

[github-actions]

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[github-actions]

Playwright test results

 7 passed
 1 flaky

Details

 8 tests across 3 suites
 2 minutes, 40 seconds
 4abcaa4
 For more information, see full report

Flaky tests

chromium › memory/memory.spec.ts › memory

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 31.85%. Comparing base (2fc56ff) to head (6f1c1da).
Report is 2 commits behind head on dev.

Files with missing lines	Patch %	Lines
...ine-render/src/components/sheets/sheet-skeleton.ts	0.00%	2 Missing ⚠️
packages/engine-render/src/basics/tools.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #3584      +/-   ##
==========================================
- Coverage   31.85%   31.85%   -0.01%     
==========================================
  Files        2194     2194              
  Lines      115244   115246       +2     
  Branches    25383    25383              
==========================================
  Hits        36706    36706              
- Misses      78538    78540       +2     

Flag	Coverage Δ
	31.85% <0.00%> (-0.01%)	⬇️

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