Payouts finish (#470)

* Almost done

* More work on midas

* Finish payouts backend

* Update Cargo.lock

* Run fmt + prepare

src/database/models/project_item.rs

@@ -474,6 +474,17 @@ impl Project {
         .execute(&mut *transaction)
         .await?;
 
+        sqlx::query!(
+            "
+            UPDATE payouts_values
+            SET mod_id = NULL
+            WHERE (mod_id = $1)
+            ",
+            id as ProjectId,
+        )
+        .execute(&mut *transaction)
+        .await?;
+
         sqlx::query!(
             "
             DELETE FROM mods
@@ -968,6 +979,7 @@ impl Project {
             .await
     }
 }
+
 #[derive(Clone, Debug)]
 pub struct QueryProject {
     pub inner: Project,