feat: remote printer (#11231)

Signed-off-by: fufesou <linlong1266@gmail.com>

src/flutter.rs

@@ -1059,6 +1059,14 @@ impl InvokeUiSession for FlutterHandler {
     fn update_record_status(&self, start: bool) {
         self.push_event("record_status", &[("start", &start.to_string())], &[]);
     }
+
+    fn printer_request(&self, id: i32, path: String) {
+        self.push_event(
+            "printer_request",
+            &[("id", json!(id)), ("path", json!(path))],
+            &[],
+        );
+    }
 }
 
 impl FlutterHandler {