fix: SQL advanced assignment 5 (#2047)

- Add and show correct hints
- Fix solving the lesson immediately when you register as tom. Now uses `informationMessage` to display a message in the UI
- Add Playwright test

Closes: gh-2045

src/main/java/org/owasp/webgoat/container/lessons/CourseConfiguration.java

@@ -84,7 +84,7 @@ public class CourseConfiguration {
 
   @Bean
   public Course course() {
-    assignments.stream().forEach(this::attachToLesson);
+    assignments.forEach(this::attachToLesson);
 
     // Check if all assignments are attached to a lesson
     var assignmentsAttachedToLessons =
@@ -99,7 +99,7 @@ public class CourseConfiguration {
 
   private List<String> findDiff() {
     var matchedToLessons =
-        lessons.stream().flatMap(l -> l.getAssignments().stream()).map(a -> a.getName()).toList();
+        lessons.stream().flatMap(l -> l.getAssignments().stream()).map(Assignment::getName).toList();
     var allAssignments = assignments.stream().map(a -> a.getClass().getSimpleName()).toList();
 
     var diff = new ArrayList<>(allAssignments);