jellyfin-mpv-shim: fix requirements

python-mpv has been renamed to mpv, while mpv-jsonipc's package name is python_mpv_jsonipc

Signed-off-by: Sefa Eyeoglu <[e-mail]>

pkgs/applications/video/jellyfin-mpv-shim/default.nix

···
     substituteInPlace jellyfin_mpv_shim/conf.py \
       --replace "check_updates: bool = True" "check_updates: bool = False" \
       --replace "notify_updates: bool = True" "notify_updates: bool = False"
+    # python-mpv renamed to mpv with 1.0.4
+    substituteInPlace setup.py \
+      --replace "python-mpv" "mpv" \
+      --replace "mpv-jsonipc" "python_mpv_jsonipc"
   '';
 
   # Install all the icons for the desktop item