Added Localizations and ran small fixes

frontend/pweb/lib/pages/settings/widgets/pick.dart

@@ -78,14 +78,21 @@ class SelectValueTile<T> extends BaseEditTile<T> {
                 ),
               ),
             Flexible(
-              child: ListView(
-                shrinkWrap: true,
-                children: displayedOptions.map((o) => RadioListTile<T>(
-                  value: o,
-                  groupValue: initial,
-                  title: Text(labelBuilder(o)),
-                  onChanged: isSaving ? null : (v) { if (v != null) onSave(v); },
-                )).toList(),
+              child: RadioGroup<T>(
+                groupValue: initial,
+                onChanged: (value) {
+                  if (value != null && !isSaving) {
+                    onSave(value);
+                  }
+                },
+                child: ListView(
+                  shrinkWrap: true,
+                  children: displayedOptions.map((o) => RadioListTile<T>(
+                    value: o,
+                    title: Text(labelBuilder(o)),
+                    enabled: !isSaving,
+                  )).toList(),
+                ),
               ),
             ),
             const Divider(),