Add iOS reaction picker

apps/ios/TeleTuiIOS/Sources/TeleTuiIOSCore/Views.swift

@@ -329,6 +329,7 @@ public struct ChatDetailView: View {
     @State private var editedText = ""
     @State private var deleteCandidate: Message?
     @State private var forwardCandidate: Message?
+    @State private var reactionCandidate: Message?
     @State private var forwardChatIdText = ""
     private let onChatLeft: () -> Void
 
@@ -397,7 +398,7 @@ public struct ChatDetailView: View {
                                             Label("Forward", systemImage: "arrowshape.turn.up.forward")
                                         }
                                         Button {
-                                            Task { await viewModel.react(message: message, reaction: "👍") }
+                                            reactionCandidate = message
                                         } label: {
                                             Label("React", systemImage: "face.smiling")
                                         }
@@ -483,6 +484,19 @@ public struct ChatDetailView: View {
                 forwardCandidate = nil
             }
         }
+        .confirmationDialog("React", isPresented: reactionDialogBinding, titleVisibility: .visible) {
+            ForEach(["👍", "❤️", "😂", "😮", "😢", "🙏"], id: \.self) { reaction in
+                Button(reaction) {
+                    if let reactionCandidate {
+                        Task { await viewModel.react(message: reactionCandidate, reaction: reaction) }
+                    }
+                    reactionCandidate = nil
+                }
+            }
+            Button("Cancel", role: .cancel) {
+                reactionCandidate = nil
+            }
+        }
         .task {
             await viewModel.load()
         }
@@ -521,6 +535,17 @@ public struct ChatDetailView: View {
         )
     }
 
+    private var reactionDialogBinding: Binding<Bool> {
+        Binding(
+            get: { reactionCandidate != nil },
+            set: { isPresented in
+                if !isPresented {
+                    reactionCandidate = nil
+                }
+            }
+        )
+    }
+
     private func shouldShowDateSeparator(at index: Int) -> Bool {
         guard viewModel.messages.indices.contains(index), viewModel.messages[index].date > 0 else {
             return false