Fix match on livechat department save

.eslintrc

@@ -67,7 +67,7 @@
 		"curly": [2, "all"],
 		"eqeqeq": [2, "allow-null"],
 		"new-cap":  [2, {
-			"capIsNewExceptions": ["Match.Optional", "Match.Maybe"]
+			"capIsNewExceptions": ["Match.Optional", "Match.Maybe", "Match.ObjectIncluding"]
 		}],
 		"use-isnan": 2,
 		"valid-typeof": 2,

packages/rocketchat-livechat/server/lib/Livechat.js

@@ -463,12 +463,12 @@ RocketChat.Livechat = {
 			description: Match.Optional(String)
 		});
 
-		check(departmentAgents, [{
-			agentId: String,
-			username: String,
-			count: Match.Maybe(Number),
-			order: Match.Maybe(Number)
-		}]);
+		check(departmentAgents, [
+			Match.ObjectIncluding({
+				agentId: String,
+				username: String
+			})
+		]);
 
 		if (_id) {
 			const department = RocketChat.models.LivechatDepartment.findOneById(_id);