Fix version editing (#362)

Cargo.lock

@@ -1399,7 +1399,7 @@ dependencies = [
 
 [[package]]
 name = "labrinth"
-version = "2.3.1"
+version = "2.4.1"
 dependencies = [
  "actix",
  "actix-cors",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "labrinth"
-version = "2.3.1"
+version = "2.4.1"
 #Team members, please add your emails and usernames
 authors = ["geometrically <jai.a@tuta.io>", "Redblueflame <contact@redblueflame.com>", "Aeledfyr <aeledfyr@gmail.com>", "Charalampos Fanoulis <yo@fanoulis.dev>", "AppleTheGolden <scotsbox@protonmail.com>"]
 edition = "2018"

src/routes/versions.rs

@@ -258,7 +258,9 @@ pub async fn version_edit(
                     .fetch_one(&mut *transaction)
                     .await?;
 
-                if results.exists.unwrap_or(true) {
+                if results.exists.unwrap_or(true)
+                    && &version_item.version_number != number
+                {
                     return Err(ApiError::InvalidInput(
                         "A version with that version_number already exists"
                             .to_string(),