prioritize special uuids in user page display

src/web/pages/users.rs

@@ -3,6 +3,7 @@ use axum::{
     response::{IntoResponse, Redirect, Response},
 };
 use maud::{PreEscaped, html};
+use uuid::Uuid;
 
 use crate::{
     MnemoState,
@@ -27,7 +28,14 @@ pub async fn page(
         Some(u) => u,
         None => return Ok(Redirect::to(&format!("/login?r={}", req.uri().path())).into_response()),
     };
-    let us = User::get_all(&mut *conn).await;
+    let us = User::get_all(&mut *conn).await.map(|mut v| {
+        v.sort_by_key(|p| match p.id {
+            id if id == Uuid::nil() => (0, p.id),
+            id if id == Uuid::max() => (1, p.id),
+            _ => (2, p.id),
+        });
+        v
+    });
     let can_create_users = u
         .has_permission(&mut *conn, Permission::ManuallyCreateUsers)
         .await;