fix(registry): prevent NullPointerException when specificAssetIds is null in DiscoveryIntegrationAasRegistry #265

Job	Run time
Test BaSyx DataBridge Example	1m 55s
Test BaSyx Client Example	3m 32s
Test BaSyx Dynamic RBAC Example	4m 12s
Test BaSyx Kafka Example	1m 59s
Test BaSyx Minimal Example	2m 10s
Test BaSyx Node-RED Example	1m 59s
Test BaSyx Query Language Example	2m 56s
Test BaSyx CAD file Example	1m 36s
Test BaSyx Secured Example	2m 16s
Test BaSyx NGINX Example	1m 27s
Test BaSyx Operation Delegation Example	3m 4s
	27m 6s

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