overlay: use overlayed pkgs in .#nix and .#maximal

Author: horriblename

flake/overlays.nix

@@ -10,10 +10,10 @@
   nixConfig = import ../configuration.nix false;
   maximalConfig = import ../configuration.nix true;
 in {
-  flake.overlays.default = _final: prev: {
+  flake.overlays.default = final: _prev: {
     inherit neovimConfiguration;
-    neovim-nix = buildPkg prev [nixConfig];
-    neovim-maximal = buildPkg prev [maximalConfig];
+    neovim-nix = buildPkg final [nixConfig];
+    neovim-maximal = buildPkg final [maximalConfig];
     devPkg = buildPkg pkgs [nixConfig {config.vim.languages.html.enable = pkgs.lib.mkForce true;}];
   };
 }