test: the helpers read Steamify's lib list from steamify.sh instead of their own copy

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ss5gKj7XG5JPi27XwGBGTs

share/bootloader-test/steamify-state.sh

@@ -5,7 +5,7 @@
 pass() { echo "PASS $*"; }; fail() { echo "FAIL $*"; }
 sudo mountpoint -q /mnt || sudo mount -t 9p -o trans=virtio,version=9p2000.L repo /mnt
 cd /mnt || exit 1
-for lib in common state packages login-manager single-user steam-desktop steam-machine fremont-poweroff vram-booster hdmi-refresh cec boot-session vapor-theme steamos-extras bios desktop-shortcut wizard-shortcut steam-game update-notifier; do
+for lib in $(grep -oP '^for lib in \K.*(?=; do$)' steamify.sh); do
     # shellcheck source=/dev/null
     . "lib/$lib.sh" 2>/dev/null
 done

share/vmtest/prelude.sh

@@ -6,7 +6,7 @@ pass() { echo "PASS $*"; }; fail() { echo "FAIL $*"; }; skip() { echo "SKIP $*";
 sudo mountpoint -q /mnt || sudo mount -t 9p -o trans=virtio,version=9p2000.L repo /mnt
 cd /mnt || exit 1
 export SCRIPT_DIR=/mnt   # steamify.sh sets it; the libs alone read patches/ and services/ from it
-for lib in common state packages login-manager single-user steam-desktop steam-machine fremont-poweroff vram-booster hdmi-refresh nvidia controllers cec boot-session vapor-theme steamos-extras bios desktop-shortcut wizard-shortcut steam-game update-notifier; do
+for lib in $(grep -oP '^for lib in \K.*(?=; do$)' steamify.sh); do
     # shellcheck source=/dev/null
     . "lib/$lib.sh" 2>/dev/null
 done