fix: filter knowledge list by keywords and clear the selected file list after the file is uploaded successfully and add ellipsis pattern to chunk list (#628)

### What problem does this PR solve?

#627 
fix: filter knowledge list by keywords
fix: clear the selected file list after the file is uploaded
successfully
feat: add ellipsis pattern to chunk list

### Type of change

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

web/src/locales/en.ts

@@ -64,6 +64,7 @@ export default {
       name: 'Name',
       namePlaceholder: 'Please input name!',
       doc: 'Docs',
+      searchKnowledgePlaceholder: 'Search',
     },
     knowledgeDetails: {
       dataset: 'Dataset',
@@ -278,6 +279,8 @@ export default {
       keyword: 'Keyword',
       function: 'Function',
       chunkMessage: 'Please input value!',
+      full: 'Full text',
+      ellipse: 'Ellipse',
     },
     chat: {
       createAssistant: 'Create an Assistant',