[Pkg-mozext-maintainers] Bug#1020985: webext-https-everywhere: https everywhere opens firefox tab even while uninstalled

[Vagrant Cascadian]

Package: webext-https-everywhere
Severity: normal
X-Debbugs-Cc: none, Vagrant Cascadian <vagrant at debian.org>

In recent months after an update of firefox-esr (92.x?),
https-everywhere opens a tab on my browser suggesting I configure the
in-browser settings that replace the functionality of
https-everywhere...

That seemed good and all, so I did it and disabled https-everywhere to
see if it would work! It did, yay! (except one site for a while, but
that seems fine now)

But even after I configured those settings, disabled https-everywhere,
every time I open firefox-esr, the tab opens suggesting I should
configure the in-browser settings... I double-checked, and all the
settings it recommends are set, the extension is disabled, so I got in
the bad habit of just closing the tab when I open the browser.

Recently I got annoyed enough to uninstall https-everywhere, and it
seemed to work at first (e.g. no tab nudging me to change
settings)... but just now it opened the
switch-to-in-browser-https-everywhere-like-functionality settings tab
again, after rebooting.

Where is this tab hidden? What can I do to make this tab not open
anymore?

I've only ever used the packaged version of https-everywhere and other
extensions, never used any firefox extensions outside of Debian.

Thanks!

live well,
  vagrant


-- System Information:
Debian Release: bookworm/sid
  APT prefers testing
  APT policy: (500, 'testing'), (1, 'experimental'), (1, 'unstable')
Architecture: arm64 (aarch64)
Foreign Architectures: armhf

Kernel: Linux 5.19.0-2-arm64 (SMP w/6 CPU threads)
Kernel taint flags: TAINT_CRAP
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
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