Oak saplings can grow with a bee nest even when there are no flowers nearby

Summary:
Oak saplings have a chance to grow with a bee nest even when there are no flowers nearby.

Steps to Reproduce:

1. Place down multiple oak saplings
2. Wait for the saplings to grow (increase randomtickspeed to 1000 to speed this up)

Observed Results:
Some of the saplings have grown with a bee nest.

Expected Results:
Oak saplings should only have a chance to grow with a bee nest when there are flowers are nearby.