feat: do not print file contents

app/lib/model/state/send/web/web_send_state.dart

@@ -19,4 +19,9 @@ class WebSendState with WebSendStateMappable {
     required this.pin,
     required this.pinAttempts,
   });
+
+  @override
+  String toString() {
+    return 'WebSendState(sessions: $sessions, files: <${files.keys}>, autoAccept: $autoAccept, pin: $pin, pinAttempts: $pinAttempts)';
+  }
 }

app/lib/model/state/server/server_state.dart

@@ -24,4 +24,9 @@ class ServerState with ServerStateMappable {
     required this.webSendState,
     required this.pinAttempts,
   });
+
+  @override
+  String toString() {
+    return 'ServerState(alias: $alias, port: $port, https: $https, session: $session, webSendState: $webSendState, pinAttempts: $pinAttempts)';
+  }
 }