Changed exceptions, added action for closing applications by applicant

SchengenVisaApi/ApplicationLayer/Services/GeneralExceptions/EntityNotFoundByIdException.cs

@@ -5,5 +5,5 @@ namespace ApplicationLayer.Services.GeneralExceptions;
 /// Exception to throw when entity not found
 /// <param name="id">Identifier of entity</param>
 /// <typeparam name="T">Type of entity</typeparam>
-public class EntityNotFoundByIdException<T>(Guid id) : EntityNotFoundException<T>($"{typeof(T).Name} with id {id} not found.")
+public class EntityNotFoundByIdException<T>(Guid id) : EntityNotFoundException($"{typeof(T).Name} with id {id} not found.")
     where T : class, IEntity;