fix: Error when pasting images in the user's article creating interface

[xzyone]

What type of PR is this?

/kind bug

What this PR does / why we need it:

修复用户创建文章界面时粘贴图片报错

Which issue(s) this PR fixes:

Fixes #5035

Special notes for your reviewer:

@ruibaby 's help.

Does this PR introduce a user-facing change?

修复用户创建文章界面时粘贴图片报错

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[ruibaby]

Hi @xzyone 这个 PR 的改动似乎符合预期，是什么原因选择关闭呢？

[xzyone]

Hi @xzyone 这个 PR 的改动似乎符合预期，是什么原因选择关闭呢？

以为没改全，我再重新提交PR

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b8d5d1f) 55.91% compared to head (6b5f186) 55.91%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #5080   +/-   ##
=========================================
  Coverage     55.91%   55.91%           
  Complexity     3032     3032           
=========================================
  Files           524      524           
  Lines         17826    17826           
  Branches       1329     1329           
=========================================
  Hits           9968     9968           
  Misses         7309     7309           
  Partials        549      549           

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