web/flows: center the layout for flows #27695

Job	Run time
lint (bandit)	1m 42s
lint (black)	1m 45s
lint (codespell)	1m 50s
lint (pending-migrations)	1m 51s
lint (ruff)	1m 42s
test-integration	5m 45s
test-e2e (proxy)	9m 24s
test-e2e (oauth)	8m 58s
test-e2e (oauth-oidc)	7m 15s
test-migrations	3m 4s
test-e2e (saml)	7m 41s
test-e2e (ldap)	11m 40s
test-unittest - PostgreSQL 15-alpine	19m 20s
test-e2e (radius)	6m 6s
test-migrations-from-stable - PostgreSQL 15-alpine	23m 24s
test-unittest - PostgreSQL 16-alpine	19m 3s
test-e2e (scim)	5m 23s
test-migrations-from-stable - PostgreSQL 16-alpine	23m 2s
test-e2e (flows)	6m 5s
ci-core-mark	1s
build / build-server-arm64 / Build arm64	5m 13s
build / build-server-amd64 / Build amd64	5m 11s
build / get-tags	7s
build / merge-server (ghcr.io/goauthentik/dev-server:gh-5a34a43e2dbe75d592265e7af2f3754c9fef977d)	12s
build / merge-server (ghcr.io/goauthentik/dev-server:gh-web-flow-perfect-center-layout)	18s
build / merge-server (ghcr.io/goauthentik/dev-server:gh-web-flow-perfect-center-layout-1738109218-5a34a43)	10s
pr-comment	6s
	2h 56m 18s

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