Attempt to workround crash

android.os.BadParcelableException: ClassNotFoundException when unmarshalling

app/src/main/java/eu/faircode/email/FragmentBase.java

@@ -228,6 +228,7 @@ public class FragmentBase extends Fragment {
             @Override
             public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result) {
                 try {
+                    result.setClassLoader(ApplicationEx.class.getClassLoader());
                     int requestCode = result.getInt("requestCode");
                     int resultCode = result.getInt("resultCode");
 

app/src/main/java/eu/faircode/email/FragmentDialogBase.java

@@ -77,6 +77,7 @@ public class FragmentDialogBase extends DialogFragment {
             @Override
             public void onFragmentResult(@NonNull String requestKey, @NonNull Bundle result) {
                 try {
+                    result.setClassLoader(ApplicationEx.class.getClassLoader());
                     int requestCode = result.getInt("requestCode");
                     int resultCode = result.getInt("resultCode");
 

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -7323,7 +7323,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
         EntityAccount copyto;
     }
 
-    private static class MessageTarget implements Parcelable {
+    public static class MessageTarget implements Parcelable {
         long id;
         Account sourceAccount;
         Folder sourceFolder;