small thunar and greetd changes and some refactoring

scripts/bin/pavucontrol-toggle.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+if pgrep -f "pavucontrol" >/dev/null; then
+  pkill -f "pavucontrol"
+else
+  if ! hyprctl dispatch exec pavucontrol; then
+    echo "Failed to launch Pavucontrol"
+    exit 1
+  fi
+fi