Bugfix/Upsert API for file loader (#5096)

* fix upser api for file loader

* - Introduced loaderName property in IDocumentStoreUpsertData interface.
- Updated upsertDocStore function to utilize loaderName if provided.
- Enhanced DocStoreAPIDialog to allow loaderName customization in API requests.
- Modified DocumentStoreDetail to display file names when available, improving source formatting logic.

packages/server/src/Interface.DocumentStore.ts

@@ -81,6 +81,7 @@ export interface IDocumentStoreUpsertData {
     replaceExisting?: boolean
     createNewDocStore?: boolean
     docStore?: IDocumentStore
+    loaderName?: string
     loader?: {
         name: string
         config: ICommonObject