Refactor admin actions and improve code formatting: Standardize import statements, enhance error handling messages, and apply consistent formatting across event, user, and preference management functions for better readability and maintainability.

app/api/events/[id]/register/route.ts

@@ -2,7 +2,6 @@ import { NextResponse } from "next/server";
 import { auth } from "@/lib/auth";
 import { eventRegistrationService } from "@/services/events/event-registration.service";
 
-
 export async function GET(
   request: Request,
   { params }: { params: Promise<{ id: string }> }