Force mimeapps linking

system/home/desktop/default.nix

@@ -42,7 +42,7 @@
     mime.enable = true;
     mimeApps =
       let
-        defaultApplications = import ./mimeapps/default.nix;
+        defaultApplications = import ./mimeapps.nix;
       in
       {
         enable = true;
@@ -57,6 +57,8 @@
       };
     };
     configFile = {
+      # Stop programs from overriding mimeapps
+      "mimeapps.list".force = true;
       # Ensure GTK config is set
       "gtk-3.0/gtk.css".force = true;
       "gtk-3.0/settings.ini".force = true;