element-call: add dist to output (#363896)

Author: msanft

pkgs/by-name/el/element-call/package.nix

@@ -37,10 +37,18 @@ stdenv.mkDerivation (finalAttrs: {
   nativeBuildInputs = [
     yarnConfigHook
     yarnBuildHook
-    yarnInstallHook
     nodejs
   ];
 
+  installPhase = ''
+    runHook preInstall
+
+    mkdir $out
+    cp -r dist/* $out
+
+    runHook postInstall
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/element-hq/element-call";
     description = "Group calls powered by Matrix";