Fix "Access Denied" Bug

Description

• Resolves the bug with some lecturers/professors not being able to access the manage page.
• LabraCore MR: labracore!195 (merged)
• LabraDoor MR: labradoor!73 (merged)

Related Issues

• Resolves #143 (closed)

Checklist

• I have added a changelog entry to reflect the significant changes I made.

src/main/java/nl/tudelft/tam/security/AuthorisationService.java

@@ -145,7 +145,8 @@ public class AuthorisationService {
 	 * @return true if the authenticated person is a manager of a course
 	 */
 	public boolean isManagerOfAny() {
-		return isAdmin() || authApi.hasManagerRoleInAnyCourse(getAuthPerson().getId()).block();
+		return isAdmin() || isStaff()
+				|| authApi.hasTeacherRoleInAnyCurrentEdition(getAuthPerson().getId()).block();
 	}
 
 	/**