Delete associated machine file entries before removing main file

Added a step to delete file associations from `FilesForMachinesTable` before deleting the main file from `FilesTable`. This ensures proper cleanup of related entries in the database.

apps/backend/src/app/files/files.service.ts

@@ -103,6 +103,13 @@ export class FilesService {
 		}
 		if (sameFileInStorage.length === 1) {
 			//if there is one only entry then remove the file from the storage and the database.
+			await this.database
+				.use()
+				.delete(FilesForMachinesTable)
+				.where(eq(FilesForMachinesTable.fileId, fileId))
+				.prepare("deleteFileAssociationFromMachine")
+				.execute();
+
 			await this.database
 				.use()
 				.delete(FilesTable)