Fix: Metadata,chunk,dataset Related bugs (#13760)

### What problem does this PR solve?

Fix: Metadata,chunk,dataset Related bugs
- metadata not show add button #13731
- chunk edit question style
- dataset modified chunk method bug
### Type of change

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

web/src/components/chunk-method-dialog/index.tsx

@@ -181,7 +181,7 @@ export function ChunkMethodDialog({
   });
 
   const selectedTag = useWatch({
-    name: 'chunk_method',
+    name: 'parser_id',
     control: form.control,
   });
   const isMineruSelected =

web/src/components/edit-tag/index.tsx

@@ -66,7 +66,7 @@ const EditTag = React.forwardRef<HTMLDivElement, EditTagsProps>(
               )}
             >
               <div className="flex gap-2 items-center">
-                <div className="max-w-80 overflow-hidden text-ellipsis">
+                <div className="max-w-80 whitespace-nowrap overflow-hidden text-ellipsis">
                   {tag}
                 </div>
                 {!disabled && (

web/src/pages/dataset/components/metedata/manage-modal.tsx

@@ -321,8 +321,29 @@ export const ManageMetadataModal = (props: IManageModalProps) => {
       >
         <>
           <div className="flex flex-col gap-2">
-            <div className="flex gap-4 items-center justify-between text-truncate">
-              {secondTitle || t('knowledgeDetails.metadata.metadata')}
+            <div className="flex items-center justify-between">
+              <div className="w-1/2 text-truncate">
+                {secondTitle || t('knowledgeDetails.metadata.metadata')}
+              </div>
+              <div>
+                {isCanAdd &&
+                  activeTab !== 'built-in' &&
+                  !(
+                    metadataType === MetadataType.Setting ||
+                    metadataType === MetadataType.SingleFileSetting
+                  ) && (
+                    <Button
+                      variant={'ghost'}
+                      className="border border-border-button"
+                      type="button"
+                      onClick={handAddValueRow}
+                      data-testid={addButtonTestId}
+                    >
+                      <Plus />
+                      {t('common.add')}
+                    </Button>
+                  )}
+              </div>
             </div>
 
             {rowSelectionIsEmpty || (

web/src/pages/dataset/dataset-setting/configuration/common-item.tsx

@@ -69,7 +69,7 @@ export function ChunkMethodItem(props: IProps) {
   return (
     <FormField
       control={form.control}
-      name={'chunk_method'}
+      name={'parser_id'}
       render={({ field }) => (
         <FormItem className=" items-center space-y-1">
           <div className={line === 1 ? 'flex items-center' : ''}>