x11/polybar: Disable ALSA by default

It's broken on FreeBSD.

• More modules have been tested; update pkg-message accordingly
• Add TESTS option to build and run the unit tests
• Fix IPC_DESC. It's built-in IPC and not i3 related.
• Sort LIB_DEPENDS

PR: 226507
Submitted by: Alexandre C. Guimarães <lebarondemerde@privacychain.ch> (based on)
Approved by: capt_redbeard@protonmail.com (maintainer timeout, 2 months)
Differential Revision: https://reviews.freebsd.org/D14644