At such a young age I wouldn't worry even a little bit about needing to AP naps. It is more important they get sleep than how they get to sleep or where they sleep. So if you are finding that nap particularly tricky aim to just AP it for the meantime.
Looking at your routine it could be she needs slightly less A time at this stage of the day. She manages a 2 hour nap after 55 minutes A time first thing and then after 65 minutes A time she has a good (but broken) nap which tells me she is making slightly OT. I would aim to get her to sleep at 55 minutes, an hour at the latest throughout the day to stop OT from gathering. Sometimes 5 minutes at such a tiny age can make all the difference.
The last few days I have had problems getting her to nap at the same time each day
I wouldn't worry about that. BW is about following your LOs cues. Does she give any sleepy cues? THe other thing is if you get a short nap you;ll need to reduce A time even more which is so hard at this age as they are hardly awake anyways! But don't worry if your EASY is sometimes EAS AEAS. It will all fall into place.
You're doing great. Am impressed at your fab am naps! Not to mention your great nights! Amazing! Congrats on your wee bundle. Hope you are enjoying lots of newborn snuggles x