@room in user suggestions (#1880)

* for now I am using a local RTE solution, need to fix one test

* fixed a test

* new rte version

* pr suggestions

* @room added to the suggestions

* removed empty space

* revert

* code improvement

* project updated

* package

ElementX/Sources/Other/Extensions/Array.swift

@@ -73,3 +73,13 @@ extension Array where Element == RoomTimelineItemProtocol {
         first { $0.id.timelineID == id.timelineID }
     }
 }
+
+extension Array {
+    func appending(_ element: Element) -> [Element] {
+        self + [element]
+    }
+    
+    func appending(_ elements: [Element]) -> [Element] {
+        self + elements
+    }
+}