In case the video cannot be shown, 2 days temporary link:
https://cdn.steamusercontent.com/ugc/13249615600468122677/264324CD74FCBEAB5FDFB2DEE25EBD46B594867F/
Steps to Reproduce
1. Grab a planting shovel
2. Press F button on the farm plot
3. Try to cancel the choosing
4. It's impossible to cancel by mouse clicking the X mark
A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.