moby: launch Signal by default (it seems to be less crashy than before)

TODO.md

@@ -12,8 +12,6 @@
 - mpv: audiocast has mpv sending its output to the builtin speakers unless manually changed
 - mpv: no way to exit fullscreen video on moby
   - uosc hides controls on FS, and touch doesn't support unhiding
-- Signal restart loop drains battery
-  - decrease s6 restart time?
 - `ssh` access doesn't grant same linux capabilities as login
 - ringer (i.e. dino incoming call) doesn't prevent moby from sleeping
 - syshud (volume overlay): when casting with `blast`, syshud doesn't react to volume changes

hosts/by-name/moby/default.nix

@@ -40,7 +40,7 @@
 
   # sane.programs.ntfy-sh.config.autostart = true;
   sane.programs.dino.config.autostart = true;
-  # sane.programs.signal-desktop.config.autostart = true;  # TODO: enable once electron stops derping.
+  sane.programs.signal-desktop.config.autostart = true;
   # sane.programs.geary.config.autostart = true;
   # sane.programs.calls.config.autostart = true;