CAKE-119 | applied white color to qr code on the dark mode (qr widget and exchange trade page)

lib/src/screens/receive/widgets/qr_widget.dart

@@ -44,8 +44,8 @@ class QRWidget extends StatelessWidget {
                           child: QrImage(
                             data: addressListViewModel.uri.toString(),
                             backgroundColor: Colors.transparent,
-                            foregroundColor:
-                                Theme.of(context).textTheme.headline.color,
+                            foregroundColor: Colors.white,
+                                //Theme.of(context).textTheme.headline.color,
                           ))))),
           Spacer(flex: 3)
         ]),

lib/themes.dart

@@ -305,7 +305,8 @@ class Themes {
         decorationColor: Palette.darkLavender, // text color (information page)
       ),
       subtitle: TextStyle(
-        color: PaletteDark.lightBlueGrey, // QR code (exchange trade page)
+        //color: PaletteDark.lightBlueGrey, // QR code (exchange trade page)
+        color: Colors.white, // QR code (exchange trade page)
         backgroundColor: PaletteDark.deepVioletBlue, // divider (exchange trade page)
         decorationColor: Colors.white // crete new wallet button background (wallet list page)
       ),