fix(api): Axum API, fix delete tag response

Response after deleting a tag should be:

```
{
  data: 1
}
```

not:

```
{
  data: "1"
}
```

where 1 (`i64`) is the tag ID.

src/web/api/v1/contexts/tag/handlers.rs

@@ -10,7 +10,7 @@ use super::responses::{added_tag, deleted_tag};
 use crate::common::AppData;
 use crate::databases::database;
 use crate::errors::ServiceError;
-use crate::models::torrent_tag::TorrentTag;
+use crate::models::torrent_tag::{TagId, TorrentTag};
 use crate::web::api::v1::extractors::bearer_token::Extract;
 use crate::web::api::v1::responses::{self, OkResponseData};
 
@@ -72,7 +72,7 @@ pub async fn delete_handler(
     State(app_data): State<Arc<AppData>>,
     Extract(maybe_bearer_token): Extract,
     extract::Json(delete_tag_form): extract::Json<DeleteTagForm>,
-) -> Result<Json<OkResponseData<String>>, ServiceError> {
+) -> Result<Json<OkResponseData<TagId>>, ServiceError> {
     let user_id = app_data.auth.get_user_id_from_bearer_token(&maybe_bearer_token).await?;
 
     match app_data.tag_service.delete_tag(&delete_tag_form.tag_id, &user_id).await {

src/web/api/v1/contexts/tag/responses.rs

@@ -13,8 +13,6 @@ pub fn added_tag(tag_name: &str) -> Json<OkResponseData<String>> {
 }
 
 /// Response after successfully deleting a tag.
-pub fn deleted_tag(tag_id: TagId) -> Json<OkResponseData<String>> {
-    Json(OkResponseData {
-        data: tag_id.to_string(),
-    })
+pub fn deleted_tag(tag_id: TagId) -> Json<OkResponseData<TagId>> {
+    Json(OkResponseData { data: tag_id })
 }

tests/e2e/contexts/tag/contract.rs

@@ -356,7 +356,7 @@ mod with_axum_implementation {
     #[tokio::test]
     async fn it_should_allow_admins_to_delete_tags() {
         let mut env = TestEnv::new();
-        env.start(api::Implementation::ActixWeb).await;
+        env.start(api::Implementation::Axum).await;
 
         if env::var(ENV_VAR_E2E_EXCLUDE_AXUM_IMPL).is_ok() {
             println!("Skipped");