Update ALLOW_REGISTRATION to be anything to enable registration

src/utils/config.ts

@@ -15,9 +15,8 @@ export const sessionOptions = {
 	}
 };
 
-export const registrationIsEnabled = process.env.ALLOW_REGISTRATION
+export const registrationIsEnabled =
-	? process.env.NEXT_PUBLIC_ALLOW_REGISTRATION == "true"
+	process.env.NEXT_PUBLIC_ALLOW_REGISTRATION !== undefined ? true : false;
-	: false;
 
 export const saltRoundsForPassword =
 	parseInt(process.env.PASSWORD_SALT_ROUNDS ?? "") || 10;