switch to macro for special user

src/tera/trailerreservation.rs

@@ -59,7 +59,7 @@ async fn index(
     context.insert("user", &User::all(db).await);
     context.insert(
         "loggedin_user",
-        &UserWithDetails::from_user(user.into(), db).await,
+        &UserWithDetails::from_user(user.into_inner(), db).await,
     );
 
     Template::render("trailerreservations", context.into_json())
@@ -81,7 +81,7 @@ async fn create<'r>(
     data: Form<FormTrailerReservationToAdd<'r>>,
     user: DonauLinzUser,
 ) -> Flash<Redirect> {
-    let user_applicant: User = user.into();
+    let user_applicant: User = user.into_inner();
     let trailer = Trailer::find_by_id(db, data.trailer_id as i32)
         .await
         .unwrap();