fix (kinda) : refactored update of data, still trying to fix bug

from EntrepreneurApiServiceTests (code is a bit messy with prints and comments dw)

MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/AnnotationService.java

@@ -46,6 +46,12 @@ public class AnnotationService {
         this.annotationRepository.deleteById(id);
     }
 
+    public void updateAnnotationComment(long idAnnotation, String comment) {
+        Annotation annotation = getAnnotationById(idAnnotation);
+        annotation.setComment(comment);
+        this.annotationRepository.save(annotation);
+    }
+
     public Annotation updateAnnotation(Long id, String comment) {
         Optional<Annotation> annotation = annotationRepository.findById(id);
         if (annotation.isEmpty()) {