Fixed birthdate problem

frontend/src/views/MembersView.vue

@@ -220,6 +220,7 @@ export default {
             this.memberFormIsOpen = false;
         },
         async editMember(member) {
+            console.log(member.birthDate);
             this.memberToEdit = member;
             this.memberFormIsOpen = true;
             this.newFirstname = member.firstName;
@@ -229,6 +230,8 @@ export default {
             this.newPhone = member.phone;
             this.newEmail = member.email;
             this.newActive = member.active;
+            const date = new Date(member.birthDate);
+            this.newBirthdate = date.toISOString().split('T')[0];
             this.testMembership = member.testMembership;
             try {
                 const response = await apiClient.get(`/clubmembers/image/${member.id}`, {