feat: validate login passed to background and implemented into add all injected button (#443)

* docs: proper captializing

* docs: confirmed that the for loop is entered but on first startup something else

* feat: turns out - validate login status - not in background - pass background now

* feat: kronk.gif

* Update UserScheduleMessages.ts

* Update addCourseByURL.ts

* chore: format

* chore: chore

---------

Co-authored-by: doprz <52579214+doprz@users.noreply.github.com>

src/pages/background/handler/userScheduleHandler.ts

@@ -8,6 +8,7 @@ import renameSchedule from '@pages/background/lib/renameSchedule';
 import switchSchedule from '@pages/background/lib/switchSchedule';
 import type { UserScheduleMessages } from '@shared/messages/UserScheduleMessages';
 import { Course } from '@shared/types/Course';
+import { validateLoginStatus } from '@shared/util/checkLoginStatus';
 import type { MessageHandler } from 'chrome-extension-toolkit';
 
 const userScheduleHandler: MessageHandler<UserScheduleMessages> = {
@@ -41,6 +42,9 @@ const userScheduleHandler: MessageHandler<UserScheduleMessages> = {
             .then(res => (response === 'json' ? res.json() : res.text()))
             .then(sendResponse);
     },
+    validateLoginStatus({ data, sendResponse }) {
+        validateLoginStatus(data.url).then(sendResponse);
+    },
     exportSchedule({ data, sendResponse }) {
         exportSchedule(data.scheduleId).then(sendResponse);
     },