Create poll UX (#1571)

* Add poll attachment button

* Add poll creation feature flag

* Setup navigation to CreatePollScreen

* Add create/cancel actions

* Add create poll screen ui skeleton

* Add bindings in CreatePollScreen

* Add logics in CreatePollScreen

* Cleanup code

* Fix option deletion crash

* Fix conflicts

* Add create poll logic

* Add localisations

* Fix test build errors

* Fix crash

* Add UTs

* Add accessibility IDs

* Add ui tests

* Add 240 char limit

* Fix addOption hide behavior

* Add maxNumberOfOptions

* Cleanup code

* Move delete workaround in the view model

* Use compound delete icon

ElementX/Sources/Services/Room/RoomProxy.swift

@@ -684,6 +684,17 @@ class RoomProxy: RoomProxyProtocol {
         }
     }
 
+    func createPoll(question: String, answers: [String], pollKind: Poll.Kind) async -> Result<Void, RoomProxyError> {
+        await Task.dispatch(on: .global()) {
+            do {
+                return try .success(self.room.createPoll(question: question, answers: answers, maxSelections: 1, pollKind: .init(pollKind: pollKind), txnId: genTransactionId()))
+            } catch {
+                MXLog.error("Failed creating a poll: \(error)")
+                return .failure(.failedCreatingPoll)
+            }
+        }
+    }
+
     // MARK: - Private
     
     /// Force the timeline to load member details so it can populate sender profiles whenever we add a timeline listener
@@ -770,3 +781,14 @@ private final class RoomInfoUpdateListener: RoomInfoListener {
         onUpdateClosure()
     }
 }
+
+private extension MatrixRustSDK.PollKind {
+    init(pollKind: Poll.Kind) {
+        switch pollKind {
+        case .disclosed:
+            self = .disclosed
+        case .undisclosed:
+            self = .undisclosed
+        }
+    }
+}

ElementX/Sources/Services/Room/RoomProxyProtocol.swift

@@ -42,6 +42,7 @@ enum RoomProxyError: Error, Equatable {
     case failedRemovingAvatar
     case failedUploadingAvatar
     case failedCheckingPermission
+    case failedCreatingPoll
 }
 
 // sourcery: AutoMockable
@@ -165,6 +166,8 @@ protocol RoomProxyProtocol {
     func uploadAvatar(media: MediaInfo) async -> Result<Void, RoomProxyError>
 
     func canUserRedact(userID: String) async -> Result<Bool, RoomProxyError>
+
+    func createPoll(question: String, answers: [String], pollKind: Poll.Kind) async -> Result<Void, RoomProxyError>
 }
 
 extension RoomProxyProtocol {

ElementX/Sources/Services/Timeline/TimelineItems/RoomTimelineItemFactory.swift

@@ -606,7 +606,7 @@ private extension LocationRoomTimelineItemContent.AssetType {
     }
 }
 
-private extension Poll.Kind {
+extension Poll.Kind {
     init(pollKind: MatrixRustSDK.PollKind) {
         switch pollKind {
         case .disclosed: