feat(i18n): add saveFailed message and dimensionRatesMixedHint to locale files

- Updated English, Nepali, and Chinese locale files to include a new message for "Failed to save configuration".
- Added a hint for mixed rebate rates within the same dimension to enhance user understanding.
- Improved internationalization support across multiple locales for better user experience in the admin interface.

src/modules/draws/draws-index-console.tsx

@@ -231,8 +231,14 @@ export function DrawsIndexConsole() {
           t("batchDelete.success", { count: result.success.length }),
         );
       }
-      
-      setSelectedDrawIds(new Set());
+
+      setSelectedDrawIds((prev) => {
+        const next = new Set(prev);
+        for (const id of result.success) {
+          next.delete(id);
+        }
+        return next;
+      });
       await load();
     } catch (e) {
       toast.error(e instanceof LotteryApiBizError ? e.message : t("batchDelete.failed"));