chore: switch to a single letter

Co-authored-by: tcely <tcely@users.noreply.github.com>

tubesync/sync/choices.py

@@ -33,8 +33,8 @@ class CapChoices(models.IntegerChoices):
 
 
 class AudioTrack(models.TextChoices):
-    ORIGINAL = 'original', _('Original audio (recorded language)')
-    DEFAULT = 'default', _("Publisher's default audio (often an auto-dub)")
+    ORIGINAL = 'o', _('Original audio (recorded language)')
+    DEFAULT = 'd', _("Publisher's default audio (often an auto-dub)")
 
 
 class Fallback(models.TextChoices):

tubesync/sync/migrations/0038_source_prefer_audio_track.py

@@ -28,7 +28,7 @@ class Migration(migrations.Migration):
                     'dubbed translation. This setting has no effect when a video only offers a '
                     'single audio track.'
                 ),
-                max_length=8,
+                max_length=1,
                 verbose_name='prefer audio track',
             ),
         ),

tubesync/sync/models/source.py

@@ -254,7 +254,7 @@ class Source(db.models.Model):
     )
     prefer_audio_track = db.models.CharField(
         _('prefer audio track'),
-        max_length=8,
+        max_length=1,
         db_index=True,
         choices=AudioTrack.choices,
         default=AudioTrack.ORIGINAL,