fix top bar in msg

yobble/Views/Chat/PrivateChatView.swift

@@ -21,6 +21,7 @@ struct PrivateChatView: View {
     @State private var legacyComposerHeight: CGFloat = 40
     @FocusState private var isComposerFocused: Bool
     @EnvironmentObject private var messageCenter: IncomingMessageCenter
+    @Environment(\.dismiss) private var dismiss
 
     init(chat: PrivateChatListItem, currentUserId: String?) {
         self.chat = chat
@@ -49,6 +50,7 @@ struct PrivateChatView: View {
         }
         .navigationTitle(toolbarTitle)
         .navigationBarTitleDisplayMode(.inline)
+        .navigationBarBackButtonHidden(true)
         .toolbar {
             ToolbarItem(placement: .principal) {
                 chatToolbarContent
@@ -567,8 +569,22 @@ struct PrivateChatView: View {
 
     private var chatToolbarContent: some View {
         HStack(spacing: 12) {
+            backButton
 
-            VStack(alignment: .leading, spacing: 2) {
+            Spacer(minLength: 0)
+
+            nameStatusView
+
+            Spacer(minLength: 0)
+
+            avatarView
+        }
+        .frame(maxWidth: .infinity, minHeight: headerAvatarSize, alignment: .center)
+    }
+
+    @ViewBuilder
+    private var nameStatusView: some View {
+        VStack(spacing: 2) {
             if let officialName = officialDisplayName {
                 HStack(spacing: 4) {
                     nameText(officialName, weight: .semibold)
@@ -585,7 +601,11 @@ struct PrivateChatView: View {
                 .font(.caption)
                 .foregroundColor(.secondary)
         }
+        .multilineTextAlignment(.center)
+    }
 
+    @ViewBuilder
+    private var avatarView: some View {
         if let url = avatarUrl,
            let fileId = chat.chatData?.avatars?.current?.fileId,
            let userId = currentUserId {
@@ -598,9 +618,6 @@ struct PrivateChatView: View {
         } else {
             headerPlaceholderAvatar
         }
-
-        }
-        .frame(maxWidth: .infinity, alignment: .center)
     }
 
     private func nameText(_ text: String, weight: Font.Weight) -> some View {
@@ -624,6 +641,16 @@ struct PrivateChatView: View {
         }
     }
 
+    private var backButton: some View {
+        Button(action: { dismiss() }) {
+            Image(systemName: "chevron.left")
+                .font(.system(size: 17, weight: .semibold))
+                .foregroundColor(.accentColor)
+        }
+        .frame(width: headerAvatarSize, height: headerAvatarSize)
+        .contentShape(Rectangle())
+    }
+
     private var headerPlaceholderAvatar: some View {
         Circle()
             .fill(avatarBackgroundColor)