Merge pull request #1618 from nespjin/fix/pick_files_returns_null_on_redmi_note9

Fixed an issue where null was returned when picking up files

Author: Miguel Ruivo

android/src/main/java/com/mr/flutter/plugin/filepicker/FilePickerDelegate.java

@@ -300,7 +300,7 @@ private void startFileExplorer() {
         }
 
         if (intent.resolveActivity(this.activity.getPackageManager()) != null) {
-            this.activity.startActivityForResult(Intent.createChooser(intent, null), REQUEST_CODE);
+            this.activity.startActivityForResult(intent, REQUEST_CODE);
         } else {
             Log.e(TAG, "Can't find a valid activity to handle the request. Make sure you've a file explorer installed.");
             finishWithError("invalid_format_type", "Can't handle the provided file type.");