Evie that's where a good fitting comes in. It is different for everyone. I know if on a trainer and I extend my legs off the pedals toes pointed, my toes are still way off the ground, probably a good 8 - 10 ". To remain on the saddle and put a foot down on the ground I would basically have to fall sideways and hopefully catch myself once my foot reaches the ground. There would be no way for me to start forward in this position.

It's up to you if you are comfortable now with your saddle height, then stay there. Just know with the proper height, your legs work more efficiently and you get more power and speed. Plus legs won't get as tired as soon.