fix: Optimize internationalization configuration #3221 (#9924)

### What problem does this PR solve?

fix: Optimize internationalization configuration

- Update multi-language options, adding general translations for
functions like Select All and Clear
- Add internationalization support for modules like Chat, Search, and
Datasets

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/agents/index.tsx

@@ -36,7 +36,7 @@ export default function Agents() {
     <section className="flex flex-col w-full flex-1">
       <div className="px-8 pt-8 ">
         <ListFilterBar
-          title="Agents"
+          title={t('flow.agents')}
           searchString={searchString}
           onSearchChange={handleInputChange}
           icon="agent"