placing mangrove propagule in water only not only land produces a visual error

Put the summary of the bug you're having here

What I expected to happen was...:
i thought it would just be a magrove sappling(propagule)in the water casue you know thats a thing you can do now

What actually happened was...:
there was a visual error

Steps to Reproduce:
1. get magrove sappling
2. 
3. ...