Not the person you were replying to but I also have a Pixel 5 (still on Android 11). I didn't realize it until the previous comment but I also cannot access the

Not the person you were replying to but I also have a Pixel 5 (still on Android 11). I didn't realize it until the previous comment but I also cannot access the wide angle camera. The button simply doesn't exist. Other 3rd party apps like Lightroom also couldn't find the 2nd camera. But a gcam mod finds it unsurprisingly. To answer op's grievance though the wide angle is fixed focus, so they could use gcam for the wide angle and open camera for the regular lens.