refactor(api): 更新数据集相关 API 调用方式

- 将 datasets/create 接口改为 datasetsEx/create
- 将 datasetDelete 方法的 HTTP 方法从 POST改为 DELETE

src/api/generatedApi/index.js

@@ -28,7 +28,7 @@ export function datasetUpdate(data) {
 // 知识库新增
 export function datasetCreate(data) {
   return request({
-    url: getUrl('/datasets/create'),
+    url: getUrl('/datasetsEx/create'),
     method: 'post',
     data
   })
@@ -37,6 +37,6 @@ export function datasetCreate(data) {
 export function datasetDelete(data) {
   return request({
     url: getUrl(`/datasetsEx/delete?id=${data.id}`),
-    method: 'post',
+    method: 'delete',
   })
 }