fix(renderer): add automatic compat fallback

Use packed wire and texture-backed hatches on low-limit adapters.

Refs #475

src/main.rs

@@ -150,6 +150,7 @@ fn main() -> iced::Result {
             files: if args.new { Vec::new() } else { args.files },
             new: args.new,
             read_only: args.read_only,
+            compat_renderer: args.compat_renderer,
             script_lines,
         });