Polybar: fix player module when no players are available

hm_modules/polybar.nix

@@ -23,11 +23,14 @@ let
     ${dunstctl} set-paused false
     for i in {1..10}; do ${dunstctl} history-pop; done
   '';
+  playerStatusBasic = pkgs.writeShellScript "playerStatusBasic" ''
+    ${playerCtl} status || true
+  '';
   playerStatusSrc = pkgs.writeShellScript "playerStatusSrc" ''
     ${playerCtl} -f '{{title}} - {{artist}}' metadata || true
   '';
   playerStatus = pkgs.writeShellScript "playerStatus" ''
-    ${zscroll} -l 20 -M '${playerCtl} status' -n -s 1 \
+    ${zscroll} -l 20 -M ${playerStatusBasic} -n -s 1 \
       -m "Playing" -b '▶ ' \
       -m "Paused" -b '⏸ ' \
       -u ${playerStatusSrc} &