Remote browsing filter fixes

[rtibbles]

Summary

• Fixes uncaught Python 2.7 compatibility issue with remote file browsing
• Displays the search side panel for remote libraries on the channels page consistent with spec
• Ensures that the device id parameter is preserved in the Folder and Search header tabs
• Removes a residual guard that was no longer needed and causing an incorrect navigation to a page without the device id parameter

References

Fixes #10926
Fixes missing search panel referenced in #10931

Spec:

Reviewer guidance

Screencast.from.07-12-2023.08.00.01.PM.webm

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Testing checklist

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
• Critical user journeys are covered by Gherkin stories
• Critical and brittle code paths are covered by unit tests

PR process

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• If this is an important user-facing change, PR or related issue has a 'changelog' label
• If this includes an internal dependency change, a link to the diff is provided

Reviewer checklist

• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[github-actions]

Build Artifacts

Asset type	Download link
PEX file	kolibri-0.16.0a19.dev0_git.42.g16eacfa4.pex
Windows Installer (EXE)	kolibri-0.16.0a19.dev0+git.42.g16eacfa4-unsigned.exe
Debian Package	kolibri_0.16.0a19.dev0+git.42.g16eacfa4-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.16.0a19.dev0+git.42.g16eacfa4-0.3.0.dmg
TAR file	kolibri-0.16.0a19.dev0+git.42.g16eacfa4.tar.gz
WHL file	kolibri-0.16.0a19.dev0+git.42.g16eacfa4-py2.py3-none-any.whl

[akolson]

Thank @rtibbles! These changes look correct to me!

[pcenov]

Looks good to me as well - the search and filters are now displayed and working correctly. I have reported separately the following 2 issues: #10975 and #10976