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/next-search/index.tsx

@@ -62,7 +62,7 @@ export default function SearchPage() {
           <BreadcrumbList>
             <BreadcrumbItem>
               <BreadcrumbLink onClick={navigateToSearchList}>
-                Search
+                {t('header.search')}
               </BreadcrumbLink>
             </BreadcrumbItem>
             <BreadcrumbSeparator />

web/src/pages/next-search/search-setting.tsx

@@ -397,7 +397,11 @@ const SearchSetting: React.FC<SearchSettingProps> = ({
               name="search_config.similarity_threshold"
               render={({ field }) => (
                 <FormItem>
-                  <FormLabel>Similarity Threshold</FormLabel>
+                  <FormLabel
+                    tooltip={t('knowledgeDetails.similarityThresholdTip')}
+                  >
+                    {t('knowledgeDetails.similarityThreshold')}
+                  </FormLabel>
                   <div
                     className={cn(
                       'flex items-center gap-4 justify-between',
@@ -433,9 +437,11 @@ const SearchSetting: React.FC<SearchSettingProps> = ({
               name="search_config.vector_similarity_weight"
               render={({ field }) => (
                 <FormItem>
-                  <FormLabel>
-                    <span className="text-destructive mr-1"> *</span>Vector
-                    Similarity Weight
+                  <FormLabel
+                    tooltip={t('knowledgeDetails.vectorSimilarityWeightTip')}
+                  >
+                    <span className="text-destructive mr-1"> *</span>
+                    {t('knowledgeDetails.vectorSimilarityWeight')}
                   </FormLabel>
                   <div
                     className={cn(

web/src/pages/next-search/search-view.tsx

@@ -239,7 +239,7 @@ export default function SearchingView({
                 searchData.search_config.related_search && (
                   <div className="mt-14 w-full overflow-hidden opacity-100 max-h-96">
                     <p className="text-text-primary mb-2 text-xl">
-                      {t('relatedSearch')}
+                      {t('search.relatedSearch')}
                     </p>
                     <div className="mt-2 flex flex-wrap justify-start gap-2">
                       {relatedQuestions?.map((x, idx) => (