FIX: csv import with header=false

src/modules/pipelinesV2/pipelines.controller.ts

@@ -379,7 +379,7 @@ export class PipelinesController {
     const file_format_params = {
       ...(sep && { sep }),
       ...(encoding && { encoding }),
-      ...(header && { header }),
+      ...(header !== undefined ? { header } : {}),
     };
 
     const source_prefix = `${user.customer_name}/${file_name}`;