fix(ui): Hide the delete button if we have only one account

lib/ui/pages/home/accounts.dart

@@ -2,11 +2,10 @@ import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:moxxyv2/i18n/strings.g.dart';
 import 'package:moxxyv2/ui/bloc/account.dart';
 import 'package:moxxyv2/ui/widgets/avatar.dart';
 
-import 'package:moxxyv2/i18n/strings.g.dart';
-
 const double _accountListTileVerticalPadding = 8;
 const double _accountListTilePictureHeight = 58;
 
@@ -15,6 +14,7 @@ class AccountListTile extends StatelessWidget {
     required this.displayName,
     required this.jid,
     required this.active,
+    required this.showDelete,
     super.key,
   });
 
@@ -27,6 +27,9 @@ class AccountListTile extends StatelessWidget {
   /// Flag indicating whether the account is currently active.
   final bool active;
 
+  /// Flag indicating whether to show the delete button or not.
+  final bool showDelete;
+
   static double get height =>
       _accountListTileVerticalPadding * 2 + _accountListTilePictureHeight;
 
@@ -88,6 +91,7 @@ class AccountListTile extends StatelessWidget {
                 ],
               ),
             ),
+            if (showDelete)
               Padding(
                 padding: const EdgeInsets.only(left: 24),
                 child: IconButton(
@@ -136,6 +140,7 @@ class AccountsBottomModal extends StatelessWidget {
             displayName: account.displayName,
             jid: account.jid,
             active: account.jid == cubit.state.account.jid,
+            showDelete: accounts.length > 1,
           ),
         )
         .toList();