fix(schemaRegistry): change api servlet check to only apply to internal to fix glue support #21617

Job	Run time
event-file	3s
build (./gradlew build -x :metadata-ingestion:build -x :metadata-ingestion:check -x docs-website:...	14m 6s
build (./gradlew build -x :metadata-ingestion:build -x :metadata-ingestion:check -x docs-website:...	15m 11s
build (./gradlew :datahub-frontend:build :datahub-web-react:build --parallel, UTC)	20m 44s
build (./gradlew :datahub-frontend:build :datahub-web-react:build --parallel, America/New_York)	16m 57s
build (./gradlew :metadata-ingestion-modules:airflow-plugin:build --parallel, UTC)	6m 39s
build (./gradlew :metadata-ingestion-modules:airflow-plugin:build --parallel, America/New_York)	5m 37s
quickstart-compose-validation	18s
	1h 19m 35s

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