fix: return dynamic rate instead of base rate in user server list (#709)

Author: xboard

app/Services/ServerService.php

@@ -54,6 +54,7 @@ public static function getAvailableServers(User $user): array
                 $server->port = (int) $server->port;
             }
             $server->password = $server->generateServerPassword($user);
+            $server->rate = $server->getCurrentRate();
             return $server;
         })->toArray();