Merge branch 'development' into 'main'

.../java/nl/tudelft/submit/controller/EditionController.java

...java/nl/tudelft/submit/security/AuthorizationService.java

src/main/java/nl/tudelft/submit/service/EditionService.java

src/main/java/nl/tudelft/submit/service/ScriptService.java

src/main/resources/messages.properties

src/main/resources/templates/assignment/top.html

src/main/resources/templates/edition/enrolled.html

src/main/resources/templates/edition/hide.html

src/main/resources/templates/edition/top.html

...a/nl/tudelft/submit/controller/EditionControllerTest.java

.../nl/tudelft/submit/security/AuthorizationServiceTest.java