fix scan card

ios/Runner/ScannerViewController.swift

@@ -260,11 +260,11 @@ import ZXingObjC
     
     func textFieldShouldReturn(_ textField: UITextField) -> Bool {
         print("User from manual input: \(textField.text!)")
-        sendResult(textField.text!)
+        sendResult(textField.text!, buttonState)
         return true
     }
     
-    func sendResult(_ str: String) {
+    func sendResult(_ str: String, _ buttonState: ButtonState) {
         platformChannel?.invokeMethod("findUser", arguments: [str, buttonState.searchType], result: { (result: Any?) in
             if result is FlutterError {
                 print("Result is nil (ios code)");
@@ -423,7 +423,7 @@ import ZXingObjC
             points.append(windowPointValue)
         }
         print("User from scanner: \(result.text)")
-        sendResult(result.text)
+        sendResult(result.text, ButtonState.card)
         print(result.text)
         self.capture.stop()
         DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + Double(2 * Double(NSEC_PER_SEC)) / Double(NSEC_PER_SEC), execute: {() -> Void in