fix: don't try to insert non input key events

src/keybind/dynamic/keybind.zig

@@ -619,6 +619,7 @@ const BindingSet = struct {
         try self.current_sequence.append(event);
         var buf: [6]u8 = undefined;
         const bytes = try input.ucs32_to_utf8(&[_]u32{egc}, &buf);
+        if (!input.is_non_input_key(event.key))
             try self.current_sequence_egc.appendSlice(buf[0..bytes]);
 
         var all_matches_impossible = true;