only return schema instance from controller if it has changed

Author: adam-sandor

samples/mysql-schema/src/main/java/com/github/containersolutions/operator/sample/SchemaController.java

@@ -37,8 +37,9 @@ public Optional<Schema> createOrUpdateResource(Schema schema) {
                 schema.setStatus(status);
 
                 log.info("Schema {} created", schema.getMetadata().getName());
+                return Optional.of(schema);
             }
-            return Optional.of(schema);
+            return Optional.empty();
         } catch (SQLException e) {
             log.error("Error while creating Schema", e);