V4.6.4 bug fixes (#922)

* Fix Concurrent modification exception

* Fix minor UI issues

* Change onramper crypto asset name for Litcoin

* Fix secure storage issue, fetching password/PIN with null

* - Fix Navigation issue while keyboard is displaying
- Remove deprecated screen

* Take currency From/To info from our trade not the returned one

* Fix anon pay fields UI

* Fix Anonpay border/icons UI

* Add extra padding in QR image as a safe layer

* Generalize ignored connection error

* Remove Bio Auth option from desktop

* Fix some Transaction info not parsed correctly

cw_bitcoin/lib/electrum.dart

@@ -88,7 +88,7 @@ class ElectrumClient {
           unterminatedString = '';
         }
       } on TypeError catch (e) {
-        if (!e.toString().contains('Map<String, Object>') || !e.toString().contains('Map<String, dynamic>')) {
+        if (!e.toString().contains('Map<String, Object>') && !e.toString().contains('Map<String, dynamic>')) {
           return;
         }