Cw 973 in app gift card redemption flow plus UI (#2285)

* refactor: cleanup cake_pay folder

* refactor: add My Cards tab on the main screen

* ui: add user card item

* refactor: cakePay purchase flow

* feat: add user card info

* refactor: auth flow

* refactor: theme data

* revert

* Update qr_widget.dart

* fix: update with new themes

* minor fixes

* feat: put redemption flow under a feature flag

* feat: implement simulated purchasing flow in debug mode

* feat: support LTC and MWEB payments

* Update savings_page.dart

* fix: UI fixes

* add Cake Pay transaction sent bottom sheet

* localization

* Update cake_pay_buy_card_page.dart

* addressing review comments

* fix marge conflicts

lib/src/widgets/base_text_form_field.dart

@@ -43,7 +43,9 @@ class BaseTextFormField extends StatelessWidget {
     this.onFieldSubmitted,
     this.hasUnderlineBorder = false,
     this.borderWidth = 1.0,
-    super.key,
+    this.prefixIconConstraints,
+    this.suffixIconConstraints,
+    super.key, this.suffixText,
   });
 
   final TextEditingController? controller;
@@ -70,6 +72,9 @@ class BaseTextFormField extends StatelessWidget {
   final bool readOnly;
   final bool? enableInteractiveSelection;
   final String? initialValue;
+  final BoxConstraints? prefixIconConstraints;
+  final BoxConstraints? suffixIconConstraints;
+  final String? suffixText;
   final void Function(String)? onSubmit;
   final bool obscureText;
   final bool? autofocus;
@@ -120,8 +125,12 @@ class BaseTextFormField extends StatelessWidget {
         alignLabelWithHint: alignLabelWithHint,
         contentPadding: contentPadding,
         floatingLabelBehavior: FloatingLabelBehavior.never,
+        prefixIconConstraints: prefixIconConstraints ??
+            const BoxConstraints(minWidth: 0, minHeight: 0),
         prefix: prefix,
         prefixIcon: prefixIcon,
+        suffixIconConstraints: suffixIconConstraints ??
+            const BoxConstraints(minWidth: 0, minHeight: 0),
         suffix: suffix,
         suffixIcon: suffixIcon,
         filled: !hasUnderlineBorder,