fix: File upload Content-Type override via extension mismatch (GHSA-vr5f-2r24-w5hc)

[mtrezza]

Issue

File upload Content-Type override via extension mismatch (GHSA-vr5f-2r24-w5hc)

Tasks

• Add tests
• Add changes

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.44%. Comparing base (18a1560) to head (801bc33).
⚠️ Report is 3 commits behind head on release-8.x.x.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-8.x.x   #10384      +/-   ##
=================================================
+ Coverage          92.03%   92.44%   +0.40%     
=================================================
  Files                192      192              
  Lines              16120    16120              
  Branches             226      226              
=================================================
+ Hits               14836    14902      +66     
+ Misses              1258     1196      -62     
+ Partials              26       22       -4     

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[parseplatformorg]

🎉 This change has been released in version 8.6.73