Backend: Get list of users to assign

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/Db/Board.php

@@ -32,6 +32,7 @@ class Board extends RelationalEntity {
 	protected $labels = [];
 	protected $acl = [];
 	protected $permissions = [];
+	protected $users = [];
 	protected $shared;
 	protected $deletedAt = 0;
 
@@ -43,6 +44,7 @@ class Board extends RelationalEntity {
 		$this->addRelation('labels');
 		$this->addRelation('acl');
 		$this->addRelation('shared');
+		$this->addRelation('users');
 		$this->addRelation('permissions');
 		$this->addResolvable('owner');
 		$this->shared = -1;