CW-1174: Add warning for sending to contract addresses (#2463)

* feat: add warning for sending to contract addresses

* feat: Add wallet type icon to full screen qr page

lib/entities/qr_view_data.dart

@@ -1,11 +1,13 @@
 class QrViewData {
+  QrViewData({
+    this.version,
+    this.heroTag,
+    required this.data,
+    this.embeddedImagePath,
+  });
+  
   final int? version;
   final String? heroTag;
   final String data;
-
-  QrViewData({
-    this.version, 
-    this.heroTag, 
-    required this.data,
-  });
-}
+  final String? embeddedImagePath;
+}