Cw 470 additional theming fixes (#1052)

* fix: revert theme order (bright-purple as default)

* fix: missing card borders

* fix: high contrast gradients (send/exchange)

* fix: contact list page

* feat: add picker search border and change high contrast search fill

* fix: balance page txts

* fix: accounts_subaddresses button

* fix: exchange page buttons

* Revert "fix: revert theme order (bright-purple as default)"

This reverts commit 8e13b2241cfe62223b4d094aba1dcae130aebad7.

* fix: themetype enum

* feat: add localized strings to backup dialog

* fix: onramper flow

lib/src/widgets/search_bar_widget.dart

@@ -17,24 +17,21 @@ class SearchBarWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     return TextFormField(
       controller: searchController,
-      style: TextStyle(
-          color: Theme.of(context).extension<PickerTheme>()!.searchTextColor),
+      style: TextStyle(color: Theme.of(context).extension<PickerTheme>()!.searchTextColor),
       decoration: InputDecoration(
         hintText: hintText ?? S.of(context).search_currency,
-        hintStyle: TextStyle(
-            color: Theme.of(context).extension<PickerTheme>()!.searchHintColor),
+        hintStyle: TextStyle(color: Theme.of(context).extension<PickerTheme>()!.searchHintColor),
         prefixIcon: Image.asset("assets/images/search_icon.png",
             color: Theme.of(context).extension<PickerTheme>()!.searchIconColor),
         filled: true,
-        fillColor: Theme.of(context)
-            .extension<PickerTheme>()!
-            .searchBackgroundFillColor,
+        fillColor: Theme.of(context).extension<PickerTheme>()!.searchBackgroundFillColor,
         alignLabelWithHint: false,
         contentPadding: const EdgeInsets.symmetric(vertical: 4, horizontal: 16),
         enabledBorder: OutlineInputBorder(
             borderRadius: BorderRadius.circular(borderRadius),
-            borderSide: const BorderSide(
-              color: Colors.transparent,
+            borderSide: BorderSide(
+              color: Theme.of(context).extension<PickerTheme>()!.searchBorderColor ??
+                  Colors.transparent,
             )),
         focusedBorder: OutlineInputBorder(
             borderRadius: BorderRadius.circular(borderRadius),