Add support for replying to events different than room messages

ElementX/Sources/Services/Timeline/TimelineItems/Items/Other/PollRoomTimelineItem.swift

@@ -23,6 +23,7 @@ struct PollRoomTimelineItem: Equatable, EventBasedTimelineItemProtocol {
     let timestamp: String
     let isOutgoing: Bool
     let isEditable: Bool
+    let canBeRepliedTo: Bool
     let sender: TimelineItemSender
     var properties: RoomTimelineItemProperties
 }