Cannot set multiple pages as home pages in 10.5a17

Summary

Since upgrading to 10.5a17, setting multiple pages as home page does not work as expected

Steps to reproduce:

How one can reproduce the issue - this is very important.

1. In preferences, set https://www.torproject.org/|https://www.torproject.org as home page
2. Restart Tor browser

What is the current bug behavior?

What actually happens.

After "Quickstart" has run, Tor Browser tries to open the URL "https://www.torproject.org/|https://www.torproject.org" (i.e. the path "|https://www.torproject.org" under https://www.torproject.org/

What is the expected behavior?

What you want to see instead

After "Quickstart" has run, Tor Browser opens two tabs, each loading https://www.torproject.org/

The behavior is as expected when clicking the "Home" Toolbar button or pressing Alt+Home.

Environment

Which operating system are you using? For example: Debian GNU/Linux 10.1, Windows 10, Ubuntu Xenial, FreeBSD 12.2, etc. Linux, openSUSE Tumbleweed

Which installation method did you use? Distribution package (apt, pkg, homebrew), from source tarball, from Git, etc. .tar.gz from https://www.torproject.org/download/

Relevant logs and/or screenshots