If you want to fly under tree cover and along bush trails then maybe the Flip would have been a better choice for you. It basically has the same camera as the Mini 4 Pro but has completely enclosed props.
That still wouldn’t have solved your...
If you are asking if a Litchi waypoint mission can be converted and loaded into DJI Fly, the answer is "yes". The conversion software and instructions are available on this site:
https://www.litchiutilities.com/