That is impossible. And here is why.
The original Nintendo Switch uses an aging NVIDIA Tegra X1 chip (ARM Cortex-A57). The Nintendo Switch 2 is heavily rumored to use a custom (or similar Orin-based SoC). This chip includes: nintendo switch 2 welcome tour switch roms
Eventually, a software exploit (a browser exploit, a save game exploit, or a bug in a specific game) will be found. That is impossible