File Preview Macro and View File Macro on Linux cannot render CJK characters correctly

Issue Summary

After upgrading to 7.10, with the latest Office libraries, on Linux, Confluence installed by official installer cannot render CJK Office files correctly in File Preview Macro (image) and View File Macro (PDF).

https://confluence.atlassian.com/doc/view-file-macro-170494360.html
https://confluence.atlassian.com/doc/display-files-and-images-245827130.html

Steps to Reproduce

• Install Confluence through bin file on Linux
• Upload a CJK file

Expected Results

The file could be rendered correctly

Actual Results

The character might be garbled or missing or rendered as squares.

Workaround

To install missing font dependencies, you may follow steps outlined by these 4 KB articles:

https://confluence.atlassian.com/confkb/the-text-in-a-powerpoint-excel-or-word-document-is-missing-or-looks-different-via-confluence-view-file-macro-200213562.html

https://confluence.atlassian.com/confkb/non-ascii-characters-display-as-square-characters-in-confluence-317948797.html

https://confluence.atlassian.com/confkb/2-byte-characters-japanese-korean-chinese-do-not-display-in-powerpoint-macro-640189539.html

https://confluence.atlassian.com/confkb/confluence-ui-shows-garbled-or-corrupt-text-on-captcha-macros-and-or-diagrams-due-to-missing-fonts-938027858.html