Add suggest menu for task ID

app/Formatter/TaskAutoCompleteFormatter.php

@@ -14,6 +14,20 @@ use Kanboard\Model\TaskModel;
  */
 class TaskAutoCompleteFormatter extends BaseFormatter implements FormatterInterface
 {
+    protected $limit = 25;
+
+    /**
+     * Limit number of results
+     *
+     * @param  $limit
+     * @return $this
+     */
+    public function withLimit($limit)
+    {
+        $this->limit = $limit;
+        return $this;
+    }
+
     /**
      * Apply formatter
      *
@@ -22,11 +36,15 @@ class TaskAutoCompleteFormatter extends BaseFormatter implements FormatterInterf
      */
     public function format()
     {
-        $tasks = $this->query->columns(
-            TaskModel::TABLE.'.id',
-            TaskModel::TABLE.'.title',
-            ProjectModel::TABLE.'.name AS project_name'
-        )->asc(TaskModel::TABLE.'.id')->findAll();
+        $tasks = $this->query
+            ->columns(
+                TaskModel::TABLE.'.id',
+                TaskModel::TABLE.'.title',
+                ProjectModel::TABLE.'.name AS project_name'
+            )
+            ->asc(TaskModel::TABLE.'.id')
+            ->limit($this->limit)
+            ->findAll();
 
         foreach ($tasks as &$task) {
             $task['value'] = $task['title'];