Merge pull request 'allow to upload membership pdf for users which don't have it' (#415) from allow-membership-uploads into staging

Reviewed-on: #415

src/model/user.rs

@@ -990,8 +990,8 @@ pub struct UserWithRolesAndMembershipPdf {
 impl UserWithRolesAndMembershipPdf {
     pub(crate) async fn from_user(db: &SqlitePool, user: User) -> Self {
         let membership_pdf: bool =
-            sqlx::query_scalar!("SELECT membership_pdf FROM user WHERE id = $1", user.id)
-                .fetch_optional(db)
+            sqlx::query_scalar!("SELECT membership_pdf FROM user WHERE id = ?", user.id)
+                .fetch_one(db)
                 .await
                 .unwrap()
                 .is_some();