fix: resolve flaky holiday hours test and clean up dev scripts

- Use fixed date (Thursday Feb 26, 2026) instead of dynamic tomorrow
  to avoid timezone-related test flakiness
- Remove orphaned SQL fragment from init-script.sql
- Clean up duplicate color code definitions in local-dev-2.sh
- Add Rustfs data wipe and SabreDAV startup to dev script
- Add composer.lock to .gitignore

backend/handlers/bookings/manage.go

@@ -541,7 +541,6 @@ func AdminCreateBookingForUserHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-
 	tx, err := db.DB.Begin(r.Context())
 	if err != nil {
 		log.Printf("Failed to start transaction: %v", err)