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>

test/shell.d/update-pacman-test.sh

@@ -15,8 +15,6 @@ cat >"$stub_bin/sudo" <<'STUB'
 printf '%s\n' "$*" >"$SUDO_CALL_LOG"
 STUB
 chmod +x "$stub_bin/sudo"
-printf '#!/bin/bash\nexit 1\n' >"$stub_bin/omarchy-hw-dell-xps13-dx13260-ptl"
-chmod +x "$stub_bin/omarchy-hw-dell-xps13-dx13260-ptl"
 
 run_helper() {
   PATH="$stub_bin:$PATH" SUDO_CALL_LOG="$test_tmp/call" "$ROOT/bin/omarchy-update-pacman" "$@"