prevent delay by using onDoubleTapDown instead of onDoubleTap

flutter/lib/desktop/widgets/peercard_widget.dart

@@ -62,7 +62,7 @@ class _PeerCardState extends State<_PeerCard>
                 : null);
       },
       child: GestureDetector(
-          onDoubleTap: () => _connect(peer.id),
+          onDoubleTapDown: (_) => _connect(peer.id),
           child: Obx(() => peerCardUiType.value == PeerUiType.grid
               ? _buildPeerCard(context, peer, deco)
               : _buildPeerTile(context, peer, deco))),
@@ -168,8 +168,6 @@ class _PeerCardState extends State<_PeerCard>
       BuildContext context, Peer peer, Rx<BoxDecoration?> deco) {
     return Card(
       shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
-      child: GestureDetector(
-          onDoubleTap: () => _connect(peer.id),
       child: Obx(
         () => Container(
           decoration: deco.value,
@@ -250,9 +248,8 @@ class _PeerCardState extends State<_PeerCard>
                         padding: EdgeInsets.fromLTRB(0, 4, 8, 4),
                         child: CircleAvatar(
                             radius: 5,
-                                backgroundColor: peer.online
-                                    ? Colors.green
-                                    : Colors.yellow)),
+                            backgroundColor:
+                                peer.online ? Colors.green : Colors.yellow)),
                     Text('${peer.id}')
                   ]),
                   InkWell(
@@ -270,7 +267,7 @@ class _PeerCardState extends State<_PeerCard>
             ],
           ),
         ),
-          )),
+      ),
     );
   }