flutter_desktop: fix sciter lan peers

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/flutter_ffi.rs

@@ -451,7 +451,7 @@ pub fn main_get_peer(id: String) -> String {
 }
 
 pub fn main_get_lan_peers() -> String {
-    get_lan_peers()
+    serde_json::to_string(&get_lan_peers()).unwrap_or_default()
 }
 
 pub fn main_get_connect_status() -> String {
@@ -592,7 +592,7 @@ pub fn main_load_lan_peers() {
     {
         let data = HashMap::from([
             ("name", "load_lan_peers".to_owned()),
-            ("peers", get_lan_peers()),
+            ("peers", serde_json::to_string(&get_lan_peers()).unwrap_or_default()),
         ]);
         s.add(serde_json::ser::to_string(&data).unwrap_or("".to_owned()));
     };

src/ui.rs

@@ -500,7 +500,11 @@ impl UI {
     }
 
     fn get_lan_peers(&self) -> String {
-        get_lan_peers()
+        let peers = get_lan_peers()
+            .into_iter()
+            .map(|(id, peer)| (id, peer.username, peer.hostname, peer.platform))
+            .collect::<Vec<(String, String, String, String)>>();
+        serde_json::to_string(&peers).unwrap_or_default()
     }
 
     fn get_uuid(&self) -> String {

src/ui_interface.rs

@@ -584,8 +584,8 @@ pub fn discover() {
     });
 }
 
-pub fn get_lan_peers() -> String {
+pub fn get_lan_peers() -> Vec<(String, config::PeerInfoSerde)> {
-    let peers: Vec<(String, config::PeerInfoSerde)> = config::LanPeers::load()
+    config::LanPeers::load()
         .peers
         .iter()
         .map(|peer| {
@@ -598,8 +598,7 @@ pub fn get_lan_peers() -> String {
                 },
             )
         })
-        .collect();
+        .collect()
-    serde_json::to_string(&peers).unwrap_or_default()
 }
 
 pub fn get_uuid() -> String {