feat(hyprland): add cursor inactive_timeout

home/emily/gui/hyprland/default.nix

···
             focus_on_activate = true; # Need this for obsidian web clipper to work, apparently
           };
 
+          cursor = {
+            inactive_timeout = 5;
+          };
+
           input = {
             kb_layout = "us";
             kb_variant = "";