chore: Remove ternary if and use traditional one

library/src/main/java/com/avioconsulting/mule/deployment/internal/subdeployers/ApiManagerFunctionality.groovy

@@ -72,7 +72,11 @@ trait ApiManagerFunctionality {
             def source = Okio.source(response.entity.content)
             def bufferedSource = Okio.buffer(source)
             def dataOptional = query.parse(bufferedSource).data()
-            dataOptional.isPresent() ? dataOptional.get().assets : []
+            if (dataOptional.isPresent()) {
+                return dataOptional.get().assets
+            } else {
+                return Collections.emptyList()
+            }
         }
     }
 }