🚑️ fixed telescope_grep preview_width value

Signed-off-by: Xaiya Schumin <[e-mail]>

modules/home/cli/neovim/telescope.nix

···
           sorting_strategy = "ascending";
           layout_config = {
             prompt_position = "top";
-            preview_width = 0.5;
+            # preview_width = 0.5;
             width = 0.40;
             height = 0.40;
           };