Install the XPS 13 PTL speaker alias package

Install the separately owned firmware aliases through the package helper so stock firmware updates and stable refreshes retain them. Use a distinct migration to reach machines with the prior migration completed and preserve the reboot prompt until reboot. Restore the generic updater and leave display quirks to the kernel.

Co-Authored-By: Codex GPT-6.1-Sol XHigh <noreply@openai.com>

migrations/1791265613.sh

@@ -0,0 +1,11 @@
+echo "Install the Dell XPS 13 Panther Lake speaker firmware"
+
+if omarchy-hw-dell-xps13-dx13260-ptl; then
+  source "$OMARCHY_PATH/install/hardware/dell-xps13-ptl-speaker-firmware.sh"
+
+  # The marker lasts until reboot so every user migrating beforehand is prompted.
+  firmware_pending="/run/omarchy/xps13-ptl-speaker-firmware"
+  if [[ -e $firmware_pending ]]; then
+    omarchy-state set reboot-required
+  fi
+fi