Comment 1 for bug 2011708

Created attachment 9203705
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*Affected versions*
* 86.0 (20210215141125)
* 85.0.2 (20210216094005)
* 78.8.0esr (20210217034806)

*Preconditions*
* Download the build from the archive and run `snap install --dangerous target.snap`

*Affected platforms*
* Ubuntu 18.04

*Steps to reproduce*
1. Open Firefox and change the default download folder from about:preferences.
2. Download a random file [e.g](https://www.thinkbroadband.com/download).
3. Click on Open containing folder from downloads pane.

*Expected result*
* Folder is opened as expected.

*Actual result*
* The folder is not opened.

*Regression range*
* I will search for one ASAP.

*Notes*
* Attached a screen recording.
* I tried on another ubuntu 18.04 machine and the issue is not reproducing. Maybe is something related to my station.