Marking an enty as clean after the afterSave event.

By letting the entity be dirty during the event, listeners
can inspect the changes done to the entity during the save process.
I think this is a very important information to have and does not
negatively affect anything else.

src/ORM/Table.php

@@ -1445,8 +1445,8 @@ protected function _processSave($entity, $options)
                 ['_primary' => false] + $options->getArrayCopy()
             );
             if ($success || !$options['atomic']) {
-                $entity->clean();
                 $this->dispatchEvent('Model.afterSave', compact('entity', 'options'));
+                $entity->clean();
                 if (!$options['atomic'] && !$options['_primary']) {
                     $entity->isNew(false);
                     $entity->source($this->registryAlias());

tests/TestCase/ORM/TableTest.php

@@ -1888,13 +1888,15 @@ public function testAfterSave()
         $called = false;
         $listener = function ($e, $entity, $options) use ($data, &$called) {
             $this->assertSame($data, $entity);
+            $this->assertTrue($entity->dirty());
             $called = true;
         };
         $table->eventManager()->on('Model.afterSave', $listener);
 
         $calledAfterCommit = false;
         $listenerAfterCommit = function ($e, $entity, $options) use ($data, &$calledAfterCommit) {
             $this->assertSame($data, $entity);
+            $this->assertFalse($entity->dirty());
             $calledAfterCommit = true;
         };
         $table->eventManager()->on('Model.afterSaveCommit', $listenerAfterCommit);