Fix nix shell (#22091)

Add back necessary packages for linux user from
https://github.com/zed-industries/zed/pull/21075/files#diff-dd972f906c9914eb70fae1db9cf66baa653e6b643bbdedeaa0070939abc3fb56L20-L22

Release Notes: 

- N/A

nix/shell.nix

@@ -5,16 +5,20 @@ let
   inherit (pkgs) lib;
 in
 pkgs.mkShell rec {
-  packages = [
-    pkgs.clang
-    pkgs.curl
-    pkgs.cmake
-    pkgs.perl
-    pkgs.pkg-config
-    pkgs.protobuf
-    pkgs.rustPlatform.bindgenHook
-    pkgs.rust-analyzer
-  ];
+  packages =
+    [
+      pkgs.clang
+      pkgs.curl
+      pkgs.cmake
+      pkgs.perl
+      pkgs.pkg-config
+      pkgs.protobuf
+      pkgs.rustPlatform.bindgenHook
+      pkgs.rust-analyzer
+    ]
+    ++ lib.optionals pkgs.stdenv.hostPlatform.isLinux [
+      pkgs.mold
+    ];
 
   buildInputs =
     [
@@ -31,6 +35,9 @@ pkgs.mkShell rec {
     ++ lib.optionals pkgs.stdenv.hostPlatform.isLinux [
       pkgs.alsa-lib
       pkgs.libxkbcommon
+      pkgs.wayland
+      pkgs.xorg.libxcb
+      pkgs.vulkan-loader
     ]
     ++ lib.optional pkgs.stdenv.hostPlatform.isDarwin pkgs.apple-sdk_15;