Changes

Summary

Commit 766b2bcb3cc52368b2e86776b3d626fb21a6ac92 by Daniel Espen Fixes bug with JSON file deserialization - crashed when parsing an AAS in the AASEnv with only a reference to an asset Change-Id: I616618d36752cd0b438c0b8160cbed4af547bd6b Signed-off-by: Daniel Espen <Daniel.Espen@iese.fraunhofer.de>
The file was modified	sdks/java/basys.sdk/src/main/java/org/eclipse/basyx/aas/factory/json/JSONToMetamodelConverter.java
The file was modified	sdks/java/basys.sdk/src/test/resources/aas/factory/json/aasJsonSchemaV2.0.1_Example.json