Flescio/add room image (#961)

* image media upload for room creation

* fix remove duplicate logic

* use Async Image, add Focusable Fields in create room

* remove alert message which doesn't have a copy

* add remove duplicates on crete room image

* add button style for preventing undesired touches

* add changelog, add error case for file too large

* Fix iPad sheet presentation

* add error media preprocess

* dismissing focus on image picker

ElementX/Sources/Screens/CreateRoom/CreateRoomModels.swift

@@ -18,6 +18,9 @@ import Foundation
 
 enum CreateRoomScreenErrorType: Error {
     case failedCreatingRoom
+    case failedUploadingMedia
+    case fileTooLarge
+    case mediaFileError
     case unknown
 }
 
@@ -25,12 +28,15 @@ enum CreateRoomViewModelAction {
     case openRoom(withIdentifier: String)
     case deselectUser(UserProfileProxy)
     case updateDetails(CreateRoomFlowParameters)
+    case displayMediaPicker
+    case displayCameraPicker
+    case removeImage
 }
 
 struct CreateRoomViewState: BindableState {
     var selectedUsers: [UserProfileProxy]
     var bindings: CreateRoomViewStateBindings
-    
+    var avatarURL: URL?
     var canCreateRoom: Bool {
         !bindings.roomName.isEmpty
     }
@@ -40,6 +46,7 @@ struct CreateRoomViewStateBindings {
     var roomName: String
     var roomTopic: String
     var isRoomPrivate: Bool
+    var showAttachmentConfirmationDialog = false
     
     /// Information describing the currently displayed alert.
     var alertInfo: AlertInfo<CreateRoomScreenErrorType>?
@@ -48,4 +55,7 @@ struct CreateRoomViewStateBindings {
 enum CreateRoomViewAction {
     case createRoom
     case deselectUser(UserProfileProxy)
+    case displayCameraPicker
+    case displayMediaPicker
+    case removeImage
 }