🚑 Fix timetable and profile export charset

src/views/settings/ProfileSettings.vue

@@ -51,7 +51,7 @@ function importProfile(event) {
 
 function exportProfile(profile) {
   download(
-    JSON.stringify(profile),
+    new Blob(["\ufeff", JSON.stringify(profile)]),
     `profile-${profile.id}.json`,
     "application/json",
   );

src/views/settings/TimetableSettings.vue

@@ -51,7 +51,7 @@ function importTimetable(event) {
 
 function exportTimetable(timetable) {
   download(
-    JSON.stringify(timetable),
+    new Blob(["\ufeff", JSON.stringify(timetable)]),
     `timetable-${timetable.id}.json`,
     "application/json",
   );