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

packages/server/src/services/documentstore/index.ts

@@ -573,7 +573,8 @@ const _splitIntoChunks = async (appDataSource: DataSource, componentNodes: IComp
             chatflowid: uuidv4(),
             appDataSource,
             databaseEntities,
-            logger
+            logger,
+            processRaw: true
         }
         const docNodeInstance = new nodeModule.nodeClass()
         let docs: IDocument[] = await docNodeInstance.init(nodeData, '', options)
@@ -1727,6 +1728,11 @@ const upsertDocStore = async (
         ...newLoader?.config
     }
 
+    // Override loaderName if it's provided directly in data
+    if (data.loaderName) {
+        loaderName = data.loaderName
+    }
+
     splitterName = newSplitter?.name ? getComponentLabelFromName(newSplitter?.name) : splitterName
     splitterId = newSplitter?.name || splitterId
     splitterConfig = {