feat(perms): consistently throw correct permissions

src/routes/servers/roles_delete.rs

@@ -1,16 +1,12 @@
-use revolt_quark::{models::User, perms, Db, EmptyResponse, Error, Ref, Result};
+use revolt_quark::{models::User, perms, Db, EmptyResponse, Error, Permission, Ref, Result};
 
 #[delete("/<target>/roles/<role_id>")]
 pub async fn req(db: &Db, user: User, target: Ref, role_id: String) -> Result<EmptyResponse> {
     let mut server = target.as_server(db).await?;
-    if !perms(&user)
+    perms(&user)
         .server(&server)
-        .calc(db)
-        .await
-        .can_manage_roles()
-    {
-        return Err(Error::NotFound);
-    }
+        .throw_permission(db, Permission::ManageRole)
+        .await?;
 
     // ! FIXME_PERMISSIONS