kodi: workaround for addon path bug in youtube addon

I've submitted a PR upstream to address this:
https://github.com/anxdpanic/plugin.video.youtube/pull/260, this just
pulls the patch in sooner to get things unbroken for Nix users.

pkgs/applications/video/kodi/addons/youtube/default.nix

@@ -1,4 +1,4 @@
-{ lib, buildKodiAddon, fetchzip, addonUpdateScript, six, requests, inputstreamhelper }:
+{ lib, buildKodiAddon, fetchpatch, fetchzip, addonUpdateScript, six, requests, inputstreamhelper }:
 
 buildKodiAddon rec {
   pname = "youtube";
@@ -23,6 +23,15 @@ buildKodiAddon rec {
     };
   };
 
+  patches = [
+    # This patch can be removed once https://github.com/anxdpanic/plugin.video.youtube/pull/260 has been merged.
+    (fetchpatch {
+      name = "fix-addon-path";
+      url = "https://patch-diff.githubusercontent.com/raw/anxdpanic/plugin.video.youtube/pull/260.patch";
+      sha256 = "11c9sfwl5kvfll2jws5b4i46s60v6gkfns4al13p4m5ch9rk06hs";
+    })
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/anxdpanic/plugin.video.youtube";
     description = "YouTube is one of the biggest video-sharing websites of the world";