Update toolbox priorities and add image command menu for editor

[ruibaby]

What type of PR is this?

/area ui
/area editor
/kind improvement
/milestone 2.22.x

What this PR does / why we need it:

Adjusted the priority values for toolbox items in audio, code-block, columns, iframe, and table extensions to refine their ordering. Added a getCommandMenuItems method to the image extension, enabling image insertion via the command menu.

Does this PR introduce a user-facing change?

为编辑器的命令面板添加插入图片的选项

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[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@7803

@halo-dev/components

npm i https://pkg.pr.new/@halo-dev/components@7803

@halo-dev/richtext-editor

npm i https://pkg.pr.new/@halo-dev/richtext-editor@7803

@halo-dev/console-shared

npm i https://pkg.pr.new/@halo-dev/console-shared@7803

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

npm i https://pkg.pr.new/@halo-dev/ui-plugin-bundler-kit@7803

commit: 4f49502

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.36%. Comparing base (42c374d) to head (4f49502).
⚠️ Report is 181 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #7803      +/-   ##
============================================
+ Coverage     59.55%   60.36%   +0.81%     
- Complexity     3812     3816       +4     
============================================
  Files           677      677              
  Lines         23248    23065     -183     
  Branches       1500     1491       -9     
============================================
+ Hits          13846    13924      +78     
+ Misses         8764     8480     -284     
- Partials        638      661      +23     

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[ruibaby]

/cherrypick release-2.21

[halo-dev-bot]

@ruibaby: new pull request created: #7921

In response to this:

/cherrypick release-2.21

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