iOS 1.0.9: Add to Playlist sheet

Replaces the chain of dialogs (each waited ~450 ms for the last to close)
with one sheet: Plex | Stem tabs, inline new-playlist name field, playlist
rows with art, and mix chips for stem playlists. One "Add to Playlist…"
menu entry now covers both kinds.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/project.yml

@@ -6,8 +6,8 @@ options:
 settings:
   base:
     SWIFT_VERSION: "5.0"
-    MARKETING_VERSION: "1.0.8"
-    CURRENT_PROJECT_VERSION: "9"
+    MARKETING_VERSION: "1.0.9"
+    CURRENT_PROJECT_VERSION: "10"
 targets:
   Stemify:
     type: application