Several UI/UX minor changes (#1623)

## Description
Gathering some smaller UI/UX changes:
- Default to the user's preferred subtitle language when
searching/downloading subtitles and if unset, fall back to the UI's
language
- Only show >0s runtime on quick details & don't show negative ends at
- On the OS channel row for recently added, only include movies &
episodes
- Only show movies & episodes to "Recently Added" Android OS channel
- Fix context menu for adding songs & albums to the music queue

### Related issues
Related to #1339 & #1484
Fixes #1617
Fixes
https://github.com/damontecres/Wholphin/issues/1329#issuecomment-4440684328

### Testing
Just on the emulator

## Screenshots
N/A

## AI or LLM usage
None

app/src/main/java/com/github/damontecres/wholphin/services/MusicService.kt

@@ -228,6 +228,8 @@ class MusicService
                         start()
                     }
                 }
+            } else {
+                Timber.w("Tried to add non-audio type %s: %s", item.type, item.id)
             }
         }
 

app/src/main/java/com/github/damontecres/wholphin/services/tvprovider/TvProviderWorker.kt

@@ -264,6 +264,7 @@ class TvProviderWorker
                     .getLatestMedia(
                         GetLatestMediaRequest(
                             fields = SlimItemFields,
+                            includeItemTypes = listOf(BaseItemKind.MOVIE, BaseItemKind.EPISODE),
                             imageTypeLimit = 1,
                             parentId = null,
                             groupItems = true,