add closed tasks

- the entity has a new column / property "closed" (boolean)
- An event listener in created during container compilation, which listen on tasks
  status changed
- The taskworkflow manager and task workflow definition indicate if the tasks is closed ;
- Add list for closed tasks in controller, and change parameter 'date_status' to 'status';
- and change query to allow to filter on closed tasks

Entity/AbstractTask.php

@@ -80,6 +80,12 @@ abstract class AbstractTask implements HasScopeInterface, HasCenterInterface
      * @Assert\NotNull()
      */
     private $circle;
+    
+    /**
+     * @var boolean
+     * @ORM\Column(name="closed", type="boolean", options={ "default"=false })
+     */
+    private $closed = false;
 
     /**
      * Set type
@@ -229,6 +235,21 @@ abstract class AbstractTask implements HasScopeInterface, HasCenterInterface
         return $this->getCircle();
     }
 
-
+    /**
+     * @return bool
+     */
+    public function isClosed(): bool
+    {
+        return $this->closed;
+    }
+    
+    /**
+     * 
+     * @param bool $closed
+     */
+    public function setClosed(bool $closed)
+    {
+        $this->closed = $closed;
+    }
 }