fix: resolve editor styling issues in Safari browser

[ruibaby]

What type of PR is this?

/kind bug
/area editor
/area ui
/milestone 2.20.x

What this PR does / why we need it:

Replace drop-shadow-* with shadow-* to resolve editor styling issues in Safari brower.

before:

after:

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

Does this PR introduce a user-facing change?

修复编辑器在 Safari 浏览器中关于浮动工具栏和命令列表的样式问题。

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[pkg-pr-new]

Open in StackBlitz

@halo-dev/api-client

npm i https://pkg.pr.new/@halo-dev/api-client@7328

@halo-dev/components

npm i https://pkg.pr.new/@halo-dev/components@7328

@halo-dev/console-shared

npm i https://pkg.pr.new/@halo-dev/console-shared@7328

@halo-dev/ui-plugin-bundler-kit

npm i https://pkg.pr.new/@halo-dev/ui-plugin-bundler-kit@7328

@halo-dev/richtext-editor

npm i https://pkg.pr.new/@halo-dev/richtext-editor@7328

commit: 4dbf671

[Copilot]

Copilot reviewed 5 out of 6 changed files in this pull request and generated no comments.

Files not reviewed (1)

• ui/packages/editor/src/styles/base.scss: Language not supported

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.50%. Comparing base (60c2009) to head (4dbf671).
Report is 9 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #7328      +/-   ##
============================================
+ Coverage     57.18%   57.50%   +0.32%     
- Complexity     4066     4100      +34     
============================================
  Files           721      722       +1     
  Lines         24546    24609      +63     
  Branches       1612     1621       +9     
============================================
+ Hits          14036    14151     +115     
+ Misses         9882     9818      -64     
- Partials        628      640      +12     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[JohnNiang]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [JohnNiang]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment