fix(sender): generate attachment uuid in attachment creation function

client/src/main/java/dev/fitko/fitconnect/client/SenderClient.java

@@ -293,9 +293,8 @@ public final class SenderClient {
 
         @Override
         public WithData withAttachments(final List<File> attachments) {
-            final UUID attachmentId = UUID.randomUUID();
             final List<AttachmentPayload> attachmentPayloads = attachments.stream()
-                    .map(SubmissionUtil.getFileAttachmentPayload(attachmentId))
+                    .map(SubmissionUtil.getFileAttachmentPayload())
                     .collect(Collectors.toList());
             submissionPayload = submissionPayload.withAttachments(attachmentPayloads);
             return this;

client/src/main/java/dev/fitko/fitconnect/client/util/SubmissionUtil.java

@@ -130,10 +130,10 @@ public final class SubmissionUtil {
                 .build();
     }
 
-    public static Function<File, AttachmentPayload> getFileAttachmentPayload(final UUID attachmentId) {
+    public static Function<File, AttachmentPayload> getFileAttachmentPayload() {
         return file -> AttachmentPayload.builder()
                 .file(file)
-                .attachmentId(attachmentId)
+                .attachmentId(UUID.randomUUID())
                 .build();
     }
 }