Fix maintenance banner width bug #6008

Job	Run time
backend_changes / check_for_changes	7s
cypress_changes / check_for_changes	7s
database_changes / check_for_changes	5s
frontend_changes / check_for_changes	7s
nginx_changes / check_for_changes	5s
workflow_changes / check_for_changes	5s
build_cypress_image	0s
build_database_image	0s
build_frontend_image	2m 46s
build_frontend_lighthouse_image	2m 49s
build_backend_image	0s
build_nginx_image	0s
tests / backend-lint	1m 47s
tests / backend-tests	8m 43s
tests / build-jar	1m 11s
tests / frontend-lint-and-build	2m 24s
tests / frontend-tests	3m 2s
tests / function-tests	34s
liquibase_action_checks / test-db-liquibase-action	2m 17s
e2e_local / cypress-local-env	4m 25s
lighthouse / Lighthouse	3m 10s
tests / sonar	1m 38s
	35m 22s

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