Schema ref validation changes

NOTICE

provider/schema-azure/pom.xml

.../org/opengroup/osdu/schema/constants/SchemaConstants.java

...n/java/org/opengroup/osdu/schema/model/SchemaRequest.java

...ngroup/osdu/schema/service/serviceimpl/SchemaService.java

...rc/main/java/org/opengroup/osdu/schema/util/JSONUtil.java

.../main/java/org/opengroup/osdu/schema/util/SchemaUtil.java

...p/osdu/schema/validation/SchemaMinorVersionValidator.java

...p/osdu/schema/validation/SchemaPatchVersionValidator.java

...up/osdu/schema/validation/SchemaVersionValidatorType.java

...du/schema/validation/request/SchemaRequestConstraint.java

...sdu/schema/validation/request/SchemaRequestValidator.java

...u/schema/validation/version/AbstractVersionValidator.java

...chema/validation/version/SchemaMinorVersionValidator.java

...chema/validation/version/SchemaPatchVersionValidator.java

.../osdu/schema/validation/version/SchemaValidationType.java

...ema/validation/version/SchemaVersionValidatorFactory.java

...roup/osdu/schema/validation/version/VersionValidator.java

...tion/version/handler/SchemaValidationChainOfHandlers.java

...a/validation/version/handler/SchemaValidationHandler.java