fix(ios): picker cancelled error code to match JS expected value (#761)

* Fix iOS picker cancelled error code to match JS expected value

* Create kind-trains-smoke.md

---------

Co-authored-by: Vojtech Novak <[email protected]>

Author: daveallie

.changeset/kind-trains-smoke.md

@@ -0,0 +1,5 @@
+---
+"@react-native-documents/picker": patch
+---
+
+Fix iOS picker cancelled error code to match JS expected value

packages/document-picker/ios/swift/PromiseWrapper.swift

@@ -7,7 +7,7 @@ class PromiseWrapper {
   private var promiseReject: RNDPPromiseRejectBlock?
   private var nameOfCallInProgress: String?
 
-  private let E_DOCUMENT_PICKER_CANCELED = "E_DOCUMENT_PICKER_CANCELED"
+  private let E_DOCUMENT_PICKER_CANCELED = "OPERATION_CANCELED"
   private let ASYNC_OP_IN_PROGRESS = "ASYNC_OP_IN_PROGRESS"
 
   func setPromiseRejectingPrevious(_ resolve: @escaping RNDPPromiseResolveBlock,