fix: add HEIC/HEIF MIME type support in normalizeFile

[bang9]

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[TICKET_ID]

Description Of Changes

Fix an issue where files fetched from mediaService lose their type during the normalize process when the file is a HEIC file and the type is missing.

Note: For HEIC files, due to platform compatibility, we will continue to ensure that they are not treated as image files when displayed in the UI.

Types Of Changes

What types of changes does your code introduce to this project?
Put an x in the boxes that apply_

• Bugfix
• New feature
• Documentation (correction or otherwise)
• Cosmetics (whitespace, appearance (ex) Prettier)
• Build configuration
• Improvement (refactor code)
• Test

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 10.85%. Comparing base (638f62d) to head (cf1c3a4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #280   +/-   ##
=======================================
  Coverage   10.85%   10.85%           
=======================================
  Files         360      360           
  Lines        9049     9049           
  Branches     2557     2557           
=======================================
  Hits          982      982           
  Misses       7991     7991           
  Partials       76       76           

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[danney-chun]

lgtm~