Feat: Add suffix to the parser operator's video configuration #9869 (#10741)

### What problem does this PR solve?

Feat: Add suffix to the parser operator's video configuration #9869

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/chat/chat-sheet.tsx

@@ -2,10 +2,13 @@ import { Sheet, SheetContent, SheetTitle } from '@/components/ui/sheet';
 import { IModalProps } from '@/interfaces/common';
 import { cn } from '@/lib/utils';
 import { useTranslation } from 'react-i18next';
+import { useIsTaskMode } from '../hooks/use-get-begin-query';
 import AgentChatBox from './box';
 
 export function ChatSheet({ hideModal }: IModalProps<any>) {
   const { t } = useTranslation();
+  const isTaskMode = useIsTaskMode();
+
   return (
     <Sheet open modal={false} onOpenChange={hideModal}>
       <SheetContent
@@ -13,7 +16,9 @@ export function ChatSheet({ hideModal }: IModalProps<any>) {
         onInteractOutside={(e) => e.preventDefault()}
       >
         <SheetTitle className="hidden"></SheetTitle>
-        <div className="pl-5 pt-2">{t('chat.chat')}</div>
+        <div className="pl-5 pt-2">
+          {t(isTaskMode ? 'flow.task' : 'chat.chat')}
+        </div>
         <AgentChatBox></AgentChatBox>
       </SheetContent>
     </Sheet>

web/src/pages/agent/constant/pipeline.tsx

@@ -244,7 +244,7 @@ export const FileTypeSuffixMap = {
   [FileType.TextMarkdown]: ['md', 'markdown', 'mdx', 'txt'],
   [FileType.Docx]: ['doc', 'docx'],
   [FileType.PowerPoint]: ['pptx'],
-  [FileType.Video]: [],
+  [FileType.Video]: ['mp4', 'avi', 'mkv'],
   [FileType.Audio]: [
     'da',
     'wave',