fix: use the same margins for x and y in the stamp feature

src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java

@@ -1,6 +1,5 @@
 package stirling.software.SPDF.controller.api;
 
-import io.github.pixee.security.Filenames;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -24,6 +23,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
+import io.github.pixee.security.Filenames;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -84,7 +84,9 @@ public class SplitPDFController {
 
         Path zipFile = Files.createTempFile("split_documents", ".zip");
 
-        String filename = Filenames.toSimpleFileName(file.getOriginalFilename()).replaceFirst("[.][^.]+$", "");
+        String filename =
+                Filenames.toSimpleFileName(file.getOriginalFilename())
+                        .replaceFirst("[.][^.]+$", "");
         try (ZipOutputStream zipOut = new ZipOutputStream(Files.newOutputStream(zipFile))) {
             // loop through the split documents and write them to the zip file
             for (int i = 0; i < splitDocumentsBoas.size(); i++) {