feat(3p/haskellPackages): port in patches from xanthous

Add a few relatively uncontroversial patches to fix some broken packages
that I had developed for xanthous to the top-level third_party tree, so
they can be reused by other people in the monorepo

Change-Id: I68740477bda278c5dcc123080029ee4bd2cae37a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/740
Reviewed-by: Profpatsch <mail@profpatsch.de>
Reviewed-by: tazjin <mail@tazj.in>

users/glittershark/xanthous/default.nix

@@ -16,6 +16,6 @@ let
   xanthous =
     (if failOnWarnings then pkgs.haskell.lib.failOnAllWarnings else id)
       ((pkgs.haskellPackages
-      .extend (import ./haskell-overlay.nix { inherit pkgs; })
+      # .extend (import ./haskell-overlay.nix { inherit pkgs; })
     ).callPackage (import ./pkg.nix { inherit pkgs; }) {}); in
 xanthous // { inherit hie; }