updated Mock management to test external file config apply

Author: Akshay2191

internal/file/file_manager_service.go

@@ -842,6 +842,8 @@ func (fms *FileManagerService) handleExternalFileDownload(ctx context.Context, f
 		slog.DebugContext(ctx, "External file unchanged (304), skipping disk write.",
 			"file", fileAction.File.GetFileMeta().GetName())
 
+		fileAction.Action = model.Unchanged
+
 		return nil
 	}
 

test/mock/grpc/mock_management_command_service.go

@@ -577,7 +577,8 @@ func processConfigApplyRequestBody(c *gin.Context, initialFiles []*mpi.File) ([]
 		} else {
 			newFile := &mpi.File{
 				FileMeta: &mpi.FileMeta{
-					Name: ed.FilePath,
+					Name:        ed.FilePath,
+					Permissions: "0644",
 				},
 				ExternalDataSource: &mpi.ExternalDataSource{
 					Location: ed.Location,