fix(slack): enable screenshare

roles/work.nix

@@ -3,8 +3,18 @@
 let
   unstable = import <nixos-unstable> { config.allowUnfree = true; };
   cloudstation = pkgs.callPackage (import ../packages/cloudstation.nix) { };
-  nagstamon =
+  nagstamon = pkgs.libsForQt5.callPackage (import ../packages/nagstamon.nix) { };
-    pkgs.libsForQt5.callPackage (import ../packages/nagstamon.nix) { };
+  myslack = pkgs.slack.overrideAttrs (oldAttrs: rec {
+    fixupPhase = ''
+      sed -i -e 's/,"WebRTCPipeWireCapturer"/,"LebRTCPipeWireCapturer"/' $out/lib/slack/resources/app.asar
+
+      rm $out/bin/slack
+      makeWrapper $out/lib/slack/slack $out/bin/slack \
+        --prefix XDG_DATA_DIRS : $GSETTINGS_SCHEMAS_PATH \
+        --suffix PATH : ${lib.makeBinPath [ pkgs.xdg-utils ]} \
+        --add-flags "--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations,WebRTCPipeWireCapturer"
+    '';
+  });
 in {
 
   environment.variables = {
@@ -58,7 +68,7 @@ in {
     (unstable.google-cloud-sdk.withExtraComponents [
       unstable.google-cloud-sdk.components.gke-gcloud-auth-plugin
     ])
-    slack
+    myslack
     unstable.velero
 
     unstable.obs-studio