Create admin function to use copy-pasted users from ekey, return the ones which don't match to "Donau Linz" rowt user, Fixes #204 (#230)

Reviewed-on: #230

src/model/user.rs

@@ -266,7 +266,7 @@ impl User {
 
     pub async fn roles(&self, db: &SqlitePool) -> Vec<String> {
         sqlx::query!(
-            "SELECT r.name FROM role r JOIN user_role ur ON r.id = ur.role_id WHERE ur.user_id = ?;",
+            "SELECT r.name FROM role r JOIN user_role ur ON r.id = ur.role_id JOIN user u ON u.id = ur.user_id WHERE ur.user_id = ? AND u.deleted = 0;",
             self.id
         )
             .fetch_all(db)