fix(screensaver): line increase to prevent branding from moving after the effect is finished

apps/ghostty/default.nix

@@ -4,6 +4,7 @@
   ...
 }: {
   home.packages = [
+    # TODO: will rewrite later
     (pkgs.writeShellScriptBin "tte-loop" ''
       trap 'printf "\e[?25h"; exit 0' INT
       printf '\e[?25l'
@@ -14,7 +15,7 @@
         lines=$(tput lines)
         effect="''${effects[RANDOM % ''${#effects[@]}]}"
         printf '\e[?25l'
-        ${pkgs.terminaltexteffects}/bin/tte --input-file ${config.home.homeDirectory}/.config/nixos/assets/branding.txt --anchor-canvas c --anchor-text c --canvas-width "$cols" --canvas-height "$((lines-1))" --frame-rate 120 "$effect"
+        ${pkgs.terminaltexteffects}/bin/tte --input-file ${config.home.homeDirectory}/.config/nixos/assets/branding.txt --anchor-canvas c --anchor-text c --canvas-width "$cols" --canvas-height "$((lines-2))" --frame-rate 120 "$effect"
         printf '\e[?25l'
         sleep 2
       done