Merge branch 'fix-grace-period' into 'development'

The graceperiod for the time of labs was nog being honored

See merge request !169

src/main/java/nl/tudelft/ewi/queue/service/RequestTableService.java

@@ -288,7 +288,7 @@ public class RequestTableService {
 	 */
 	private List<Lab> activeLabs(List<Course> courses) {
 		return labs(courses).stream()
-				.filter(lab -> lab.getSlot().contains(LocalDateTime.now()) && lab.display())
+				.filter(Lab::display)
 				.collect(Collectors.toList());
 	}