Change Details

Release notes available [here](https://www.mozilla.org/en-US/firefox/55.0.3/releasenotes/) Signed-off-by: Pierre-Yves <pyu@riseup.net>

- Fix file uploads to some websites, including YouTube - Fix an issue with addons when using a path containing non-ascii characters Release notes available [here](https://www.mozilla.org/en-US/firefox/55.0.3/releasenotes/) Signed-off-by: Pierre-Yves <pyu@riseup.net>

- Fix file uploads to some websites, including YouTube - Fix an issue with addons when using a path containing non-ascii characters Release notes available [here](https://www.mozilla.org/en-US/firefox/55.0.3/releasenotes/) Signed-off-by: Pierre-Yves <pyu@riseup.net>