Show decryption error on TimelinePollView

RiotSwiftUI/Modules/Room/TimelinePoll/TimelinePollModels.swift

@@ -64,13 +64,15 @@ struct TimelinePollDetails {
     var type: TimelinePollType
     var maxAllowedSelections: UInt
     var hasBeenEdited = true
+    var hasDecryptionError: Bool
     
     init(question: String, answerOptions: [TimelinePollAnswerOption],
          closed: Bool,
          totalAnswerCount: UInt,
          type: TimelinePollType,
          maxAllowedSelections: UInt,
-         hasBeenEdited: Bool) {
+         hasBeenEdited: Bool,
+         hasDecryptionError: Bool) {
         self.question = question
         self.answerOptions = answerOptions
         self.closed = closed
@@ -78,6 +80,7 @@ struct TimelinePollDetails {
         self.type = type
         self.maxAllowedSelections = maxAllowedSelections
         self.hasBeenEdited = hasBeenEdited
+        self.hasDecryptionError = hasDecryptionError
     }
     
     var hasCurrentUserVoted: Bool {

RiotSwiftUI/Modules/Room/TimelinePoll/TimelinePollScreenState.swift

@@ -38,7 +38,8 @@ enum MockTimelinePollScreenState: MockScreenState, CaseIterable {
                                        totalAnswerCount: 20,
                                        type: self == .closedDisclosed || self == .openDisclosed ? .disclosed : .undisclosed,
                                        maxAllowedSelections: 1,
-                                       hasBeenEdited: false)
+                                       hasBeenEdited: false,
+                                       hasDecryptionError: false)
         
         let viewModel = TimelinePollViewModel(timelinePollDetails: poll)
         

RiotSwiftUI/Modules/Room/TimelinePoll/View/TimelinePollAnswerOptionButton.swift

@@ -152,7 +152,8 @@ struct TimelinePollAnswerOptionButton_Previews: PreviewProvider {
                             totalAnswerCount: 100,
                             type: type,
                             maxAllowedSelections: 1,
-                            hasBeenEdited: false)
+                            hasBeenEdited: false,
+                            hasDecryptionError: false)
     }
     
     static func buildAnswerOption(text: String = "Test", selected: Bool, winner: Bool = false) -> TimelinePollAnswerOption {

RiotSwiftUI/Modules/Room/TimelinePoll/View/TimelinePollView.swift

@@ -49,6 +49,7 @@ struct TimelinePollView: View {
             .fixedSize(horizontal: false, vertical: true)
             
             Text(totalVotesString)
+                .lineLimit(2)
                 .font(theme.fonts.footnote)
                 .foregroundColor(theme.colors.tertiaryContent)
         }
@@ -62,6 +63,10 @@ struct TimelinePollView: View {
     private var totalVotesString: String {
         let poll = viewModel.viewState.poll
         
+        if poll.hasDecryptionError, poll.totalAnswerCount > 0 {
+            return VectorL10n.pollTimelineDecryptionError
+        }
+        
         if poll.closed {
             if poll.totalAnswerCount == 1 {
                 return VectorL10n.pollTimelineTotalFinalResultsOneVote