Reducing column offset for prompt in Neovim on macOS

.config/fish/functions/fish_prompt.fish

@@ -26,8 +26,13 @@ if contains newline $_tide_left_items # two line prompt initialization
     set -l column_offset 5
 
     if test "$NVIM"
+        switch (uname)
+            case Darwin
+                set column_offset 3
+            case '*'
                 set column_offset 4
         end
+    end
 
     test "$tide_left_prompt_frame_enabled" = true &&
         set -l top_left_frame "$prompt_and_frame_color╭─" &&