fixed imports from shared libary

apps/hub/app/(app)/events/_components/modalBtn.tsx

@@ -2,7 +2,7 @@
 import { use, useEffect } from "react";
 import { CheckCircledIcon, CalendarIcon, EnterIcon } from "@radix-ui/react-icons";
 import { Event, EventAppointment, Participant, User } from "@repo/db";
-import { cn } from "../../../../helper/cn";
+import { cn } from "@repo/shared-components";
 import { inscribeToMoodleCourse, upsertParticipant } from "../actions";
 import { Check, Clock10Icon, EyeIcon, TriangleAlert } from "lucide-react";
 import { useForm } from "react-hook-form";