desktop: clicking on a file:// protocol path does not open windows explorer since version 3.5.0

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• This is not a troubleshooting question. Troubleshooting questions go here: http://www.mattermost.org/troubleshoot/.
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Summary

clicking on a file:// protocol path does not open windows explorer

Steps to reproduce

• os: windows 7
• mattermost desktop app version: 3.7.0
• mattermost server version: 3.6.0

steps to reproduce:

• type a new message containing:

file:c:\

(note that mattermost will autoconvert this to file:///C:/) Expected behavior

the windows explorer opens when clicking on the path/file

Observed behavior

nothing happens

Possible fixes

none