"View only" polls in the timeline (#1399)

* Add stub methods in RoomTimelineItemFactory

* Add PollRoomTimelineView and PollEndRoomTimelineView

* Add timeline skeleton

* Start poll mapping

* Add comment

* Refine poll UI

* Add feature flags for polls

* Cleanup

* Delete poll end event

* Refine poll mapping

* Refine poll layout

* Reuse FormRowAccessory

* Refine poll bubble layout

* Localise strings

* Update project

* Refine poll preview

* Map poll properties

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/DeveloperOptionsScreenModels.swift

@@ -48,6 +48,7 @@ protocol DeveloperOptionsProtocol: AnyObject {
     var readReceiptsEnabled: Bool { get set }
     var notificationSettingsEnabled: Bool { get set }
     var swiftUITimelineEnabled: Bool { get set }
+    var pollsInTimelineEnabled: Bool { get set }
 }
 
 extension AppSettings: DeveloperOptionsProtocol { }

ElementX/Sources/Screens/Settings/DeveloperOptionsScreen/View/DeveloperOptionsScreen.swift

@@ -50,6 +50,12 @@ struct DeveloperOptionsScreen: View {
                 }
             }
 
+            Section("Polls") {
+                Toggle(isOn: $context.pollsInTimelineEnabled) {
+                    Text("View polls in timeline")
+                }
+            }
+
             Section {
                 Button {
                     showConfetti = true