I make sure the side stand is extended when taking the bike off the centre stand. It gives me a chance to change my grip on the bike before moving it any further. With a 32" inseam there is no way I am getting on the ATAS safely without the side stand in the down position regardless of whether or not I use the left peg to mount or dismount.I have never had any problem getting them on to the center stand either, other than the one incident I reported earlier in this thread where I tried it with a wet/soapy tennis shoe on after washing the bike. My original bike 2016, had the OEM center stand, my current a 2019 ATAS has the Outback Motorteck one.
My bigger issue in my own garage is getting it back off again. The garage floor is slick concrete. I find I have to lean it off-center toward me and be ready to take the weight when it comes off.