Misc v3 linear tasks (#767)

* v3_reroute 404 error

* hash change

* fixed issue with error conversion

* added new model confirmation tests
+ title name change

* renaming, fields

* owner; test changes

* clippy prepare

* fmt

* merge fixes

* clippy

* working merge

* revs

* merge fixes

src/routes/v3/version_creation.rs

@@ -421,7 +421,6 @@ async fn version_create_inner(
         project_types: all_project_types,
         games: all_games,
         changelog: builder.changelog.clone(),
-        changelog_url: None,
         date_published: Utc::now(),
         downloads: 0,
         version_type: version_data.release_channel,