File is missing media type

[barlevd]

File are missing Excel media properties

Steps to reproduce the issue:

1. Create a new file, or update and exiting one
2. Export the data and save to your local computer
3. In linux / Mac OS, with the file tool file --mime-type file.xlsx, it reports file.xlsx: application/octet-stream

Describe the results you received:

Describe the results you expected:

file --mime-type file.xlsx
file.xlsx: application/octet-stream

The output should be

file.xlsx: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Output of go version:

go version go1.22.1 darwin/amd64

Excelize version or commit ID:

(paste here)

Environment details (OS, Microsoft Excel™ version, physical, etc.):

The fix is to change the sort order of the output zip file.

[xuri]

Thanks for issue. I have merged the pull request. Please upgrade to the master branch code, and this patch will be released in the next version.

[barlevd]

Thank you for the fast follow up.