feat: remove fan

Closes #733

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/member/widget/user_info_card.dart

@@ -375,7 +375,7 @@ class UserInfoCard extends StatelessWidget {
                 child: FilledButton.tonal(
                   onPressed: onFollow,
                   style: FilledButton.styleFrom(
-                    backgroundColor: relation != 0
+                    backgroundColor: relation != 0 && relation != 3
                         ? Theme.of(context).colorScheme.onInverseSurface
                         : null,
                     visualDensity: const VisualDensity(
@@ -385,13 +385,13 @@ class UserInfoCard extends StatelessWidget {
                   ),
                   child: Text.rich(
                     style: TextStyle(
-                      color: relation != 0
+                      color: relation != 0 && relation != 3
                           ? Theme.of(context).colorScheme.outline
                           : null,
                     ),
                     TextSpan(
                       children: [
-                        if (relation != 0 && relation != 128)
+                        if (relation != 0 && relation != 128 && relation != 3)
                           WidgetSpan(
                             alignment: PlaceholderAlignment.top,
                             child: Icon(
@@ -407,6 +407,7 @@ class UserInfoCard extends StatelessWidget {
                                     0 => '关注',
                                     1 => '悄悄关注',
                                     2 => '已关注',
+                                    3 => '回关',
                                     4 || 6 => '已互关',
                                     128 => '移除黑名单',
                                     -10 => '特别关注', // 该状态码并不是官方状态码