Add debug implementation for SwaggerUi #2926

Job	Run time
typos	3s
test (utoipa)	1m 6s
test (examples)	8m 44s
test (utoipa-gen)	2m 32s
test (utoipa-swagger-ui-vendored)	7s
test (utoipa-swagger-ui)	2m 47s
test (utoipa-redoc)	1m 28s
test (utoipa-rapidoc)	1m 15s
test (utoipa-scalar)	1m 8s
test (utoipa-axum)	39s
test (utoipa-config)	31s
test (utoipa-actix-web)	1m 4s
	21m 24s

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