Fix per-app proxy selection

lib/features/settings/view/per_app_proxy_page.dart

@@ -94,8 +94,16 @@ class PerAppProxyPage extends HookConsumerWidget with PresLogger {
               title: TextFormField(
                 onChanged: (value) => searchQuery.value = value,
                 autofocus: true,
-                decoration: InputDecoration.collapsed(
+                decoration: InputDecoration(
                   hintText: "${localizations.searchFieldLabel}...",
+                  isDense: true,
+                  filled: false,
+                  border: InputBorder.none,
+                  focusedBorder: InputBorder.none,
+                  enabledBorder: InputBorder.none,
+                  errorBorder: InputBorder.none,
+                  focusedErrorBorder: InputBorder.none,
+                  disabledBorder: InputBorder.none,
                 ),
               ),
               leading: IconButton(
@@ -179,7 +187,10 @@ class PerAppProxyPage extends HookConsumerWidget with PresLogger {
                       package.name,
                       overflow: TextOverflow.ellipsis,
                     ),
-                    subtitle: Text(package.packageName),
+                    subtitle: Text(
+                      package.packageName,
+                      style: Theme.of(context).textTheme.bodySmall,
+                    ),
                     value: selected,
                     onChanged: (value) async {
                       final List<String> newSelection;

lib/utils/pref_notifier.dart

@@ -20,7 +20,7 @@ class Pref<T> with InfraLogger {
 
   /// Updates the value asynchronously.
   Future<void> update(T value) async {
-    loggy.debug("updating preference [$key] to [$value]");
+    loggy.debug("updating preference [$key]($T) to [$value]");
     try {
       if (mapTo != null && mapFrom != null) {
         await prefs.setString(key, mapTo!(value));
@@ -45,10 +45,12 @@ class Pref<T> with InfraLogger {
 
   T getValue() {
     try {
-      loggy.debug("getting persisted preference [$key]");
+      loggy.debug("getting persisted preference [$key]($T)");
       if (mapTo != null && mapFrom != null) {
         final persisted = prefs.getString(key);
         return persisted != null ? mapFrom!(persisted) : defaultValue;
+      } else if (T == List<String>) {
+        return prefs.getStringList(key) as T ?? defaultValue;
       }
       return prefs.get(key) as T? ?? defaultValue;
     } catch (e) {