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/components/knowledge-base-item.tsx

@@ -134,7 +134,9 @@ export function KnowledgeBaseFormField({
       name="kb_ids"
       render={({ field }) => (
         <FormItem>
-          <FormLabel>{t('chat.knowledgeBases')}</FormLabel>
+          <FormLabel tooltip={t('chat.knowledgeBasesTip')}>
+            {t('chat.knowledgeBases')}
+          </FormLabel>
           <FormControl>
             <MultiSelect
               options={options}