refactor: Let serde serialize Add Series and Add Movie enums instead of calling to_string up front

src/app/radarr/radarr_tests.rs

@@ -6,7 +6,8 @@ mod tests {
   use crate::app::App;
   use crate::app::radarr::ActiveRadarrBlock;
   use crate::models::radarr_models::{
-    AddMovieBody, AddMovieOptions, Collection, CollectionMovie, Credit, Movie, RadarrRelease,
+    AddMovieBody, AddMovieOptions, Collection, CollectionMovie, Credit, MinimumAvailability, Movie,
+    MovieMonitor, RadarrRelease,
   };
   use crate::models::servarr_data::radarr::modals::MovieDetailsModal;
   use crate::models::servarr_models::Indexer;
@@ -88,13 +89,13 @@ mod tests {
       tmdb_id: 1234,
       title: "Test".to_owned(),
       root_folder_path: "/nfs2".to_owned(),
-      minimum_availability: "announced".to_owned(),
+      minimum_availability: MinimumAvailability::Announced,
       monitored: true,
       quality_profile_id: 2222,
       tags: vec![1, 2],
       tag_input_string: None,
       add_options: AddMovieOptions {
-        monitor: "movieOnly".to_owned(),
+        monitor: MovieMonitor::MovieOnly,
         search_for_movie: true,
       },
     };