add a get_normal_artist_name function to try and normalize artist name variations

- add a get_artist_lists function to group artist name variants into a list
- add a get_normalized_artists function to return normalized artist objects
- use the above functions in:
    - searching artists
    - album artists
    - playlist artists

server/app/lib/searchlib.py

@@ -37,7 +37,6 @@ class Limit:
 
 
 class SearchTracks:
-
     def __init__(self, tracks: List[models.Track], query: str) -> None:
         self.query = query
         self.tracks = tracks
@@ -60,7 +59,6 @@ class SearchTracks:
 
 
 class SearchArtists:
-
     def __init__(self, artists: set[str], query: str) -> None:
         self.query = query
         self.artists = artists
@@ -78,19 +76,11 @@ class SearchArtists:
             limit=Limit.artists,
         )
 
-        f_artists = []
-        for artist in results:
-            aa = {
-                "name": artist[0],
-                "image": helpers.create_safe_name(artist[0]) + ".webp",
-            }
-            f_artists.append(aa)
-
-        return f_artists
+        artists = [a[0] for a in results]
+        return helpers.get_normalized_artists(artists)
 
 
 class SearchAlbums:
-
     def __init__(self, albums: List[models.Album], query: str) -> None:
         self.query = query
         self.albums = albums
@@ -121,7 +111,6 @@ class SearchAlbums:
 
 
 class SearchPlaylists:
-
     def __init__(self, playlists: List[models.Playlist], query: str) -> None:
         self.playlists = playlists
         self.query = query