Consider all feedback for anonymisation and lower feedback threshold

src/main/java/nl/tudelft/queue/repository/FeedbackRepository.java

@@ -88,11 +88,12 @@ public interface FeedbackRepository
 	 */
 	default Page<Feedback> findByAssistantAnonymised(Long assistantId, Pageable pageable) {
 		var feedback = StreamSupport.stream(findAll(qf.id.assistantId.eq(assistantId)
-				.and(qf.feedback.isNotNull()).and(qf.feedback.isNotEmpty())
-				.and(qf.createdAt.before(LocalDateTime.now().minusMonths(1))), qf.createdAt.desc())
+				.and(qf.createdAt.before(LocalDateTime.now().minusWeeks(2))), qf.createdAt.desc())
 						.spliterator(),
 				false)
-				.skip(10).collect(Collectors.toList());
+				.skip(5)
+				.filter(f -> f.getFeedback() != null && !f.getFeedback().isEmpty())
+				.collect(Collectors.toList());
 		var page = feedback.subList(pageable.getPageNumber() * pageable.getPageSize(),
 				Math.min(feedback.size(), (pageable.getPageNumber() + 1) * pageable.getPageSize()));
 		return new PageImpl<>(page, pageable, feedback.size());