chore: refactor create/update/refresh admin_api user

Author: zoran-sinnema

applications/accounts/scripts/create_api_user.sh

@@ -2,9 +2,11 @@
 
 export API_USERNAME="admin_api"
 export API_PASSWORD=$(cat /opt/cloudharness/resources/auth/api_user_password 2>/dev/null || echo "")
-export TMP_CLIENT="tmp_client"
+export TMP_CLIENT="tmp_api_client"
 export TMP_CLIENT_SECRET="${KC_BOOTSTRAP_ADMIN_USERNAME}"
 
+sleep 120
+
 echo "create_api_user: waiting for Keycloak to start..."
 
 create_temporary_client() {