Fix accepting friend requests

Fix "No Friends" flickering on tab change

mobile/lib/views/main/friend/list.dart

@@ -8,8 +8,15 @@ import '/components/custom_expandable_fab.dart';
 import '/views/main/friend/list_item.dart';
 
 class FriendList extends StatefulWidget {
+  final List<Friend> friends;
+  final List<Friend> friendRequests;
+  final Function callback;
+
   const FriendList({
     Key? key,
+    required this.friends,
+    required this.friendRequests,
+    required this.callback,
   }) : super(key: key);
 
   @override
@@ -111,13 +118,15 @@ class _FriendListState extends State<FriendList> {
   @override
   void initState() {
     super.initState();
-    initFriends();
+    friends.addAll(widget.friends);
+    friendRequests.addAll(widget.friendRequests);
   }
 
   Future<void> initFriends() async {
     friends = await getFriends(accepted: true);
     friendRequests = await getFriends(accepted: false);
     setState(() {});
+    widget.callback();
   }
 
   Widget headingOrNull(String heading) {

mobile/lib/views/main/friend/request_list_item.dart

@@ -102,7 +102,7 @@ class _FriendRequestListItemState extends State<FriendRequestListItem> {
     final symmetricKey = AesHelper.deriveKey(generateRandomString(32));
 
     String payloadJson = jsonEncode({
-      'user_id': widget.friend.userId,
+      'user_id': widget.friend.friendId,
       'friend_id': base64.encode(CryptoUtils.rsaEncrypt(
           Uint8List.fromList(profile.id.codeUnits),
           widget.friend.publicKey,

mobile/lib/views/main/home.dart

@@ -33,7 +33,7 @@ class _HomeState extends State<Home> {
   int _selectedIndex = 0;
   List<Widget> _widgetOptions = <Widget>[
     const ConversationList(conversations: [], friends: []),
-    const FriendList(),
+    FriendList(friends: const [], friendRequests: const [], callback: () {}),
     Profile(
         profile: MyProfile(
             id: '',
@@ -154,6 +154,7 @@ class _HomeState extends State<Home> {
 
     conversations = await getConversations();
     friends = await getFriends(accepted: true);
+    friendRequests = await getFriends(accepted: false);
     profile = await MyProfile.getProfile();
 
     setState(() {
@@ -162,13 +163,22 @@ class _HomeState extends State<Home> {
             conversations: conversations,
             friends: friends,
         ),
-        const FriendList(),
+        FriendList(
+          friends: friends,
+          friendRequests: friendRequests,
+          callback: initFriends,
+        ),
         Profile(profile: profile),
       ];
       isLoading = false;
     });
   }
 
+  Future<void> initFriends() async {
+    friends = await getFriends(accepted: true);
+    friendRequests = await getFriends(accepted: false);
+  }
+
   void _onItemTapped(int index) {
     setState(() {
       _selectedIndex = index;