Consolidateion of document upload API (#14106)

### What problem does this PR solve?

Consolidation WEB API & HTTP API for document upload

Before consolidation
Web API: POST /v1/document/upload
Http API - POST /api/v1/datasets/<dataset_id>/documents

After consolidation, Restful API -- POST
/api/v1/datasets/<dataset_id>/documents

### Type of change

- [x] Refactoring

web/src/utils/api.ts

@@ -119,7 +119,8 @@ export default {
   getDocumentFile: `${webAPI}/document/get`,
   getDocumentFileDownload: (docId: string) =>
     `${webAPI}/document/download/${docId}`,
-  documentUpload: `${webAPI}/document/upload`,
+  documentUpload: (datasetId: string) =>
+    `${restAPIv1}/datasets/${datasetId}/documents`,
   webCrawl: `${webAPI}/document/web_crawl`,
   documentInfos: `${webAPI}/document/infos`,
   uploadAndParse: `${webAPI}/document/upload_info`,