Fix placeholder for username when requires_username enabled
Fix placeholder for username when requires_username enabled

cwilgenhoff/lock,tehsis/lock,sandrinodimattia/lock,tehsis/lock,tehsis/lock,adam2314/lock,cwilgenhoff/lock,sandrinodimattia/lock,cwilgenhoff/lock,adam2314/lock,rpdiss/lock,rpdiss/lock,rpdiss/lock,adam2314/lock