ATLAS-3971 :- Move authorization check for Business Metadata before type exist check.

repository/src/main/java/org/apache/atlas/repository/store/graph/v2/AtlasBusinessMetadataDefStoreV2.java

@@ -69,6 +69,8 @@ public class AtlasBusinessMetadataDefStoreV2 extends AtlasAbstractDefStoreV2<Atl
                     DataTypes.TypeCategory.BUSINESS_METADATA.name());
         }
 
+        AtlasAuthorizationUtils.verifyAccess(new AtlasTypeAccessRequest(AtlasPrivilege.TYPE_CREATE, businessMetadataDef), "create businessMetadata-def ", businessMetadataDef.getName());
+
         AtlasVertex ret = typeDefStore.findTypeVertexByName(businessMetadataDef.getName());
 
         if (ret != null) {
@@ -115,7 +117,6 @@ public class AtlasBusinessMetadataDefStoreV2 extends AtlasAbstractDefStoreV2<Atl
             }
         }
 
-        AtlasAuthorizationUtils.verifyAccess(new AtlasTypeAccessRequest(AtlasPrivilege.TYPE_CREATE, businessMetadataDef), "create businessMetadata-def ", businessMetadataDef.getName());
 
         AtlasVertex vertex = (preCreateResult == null) ? preCreate(businessMetadataDef) : preCreateResult;