Wandering trader has odd pathfinding

https://streamable.com/0qmg9
 
In the video, the wandering villager cannot pathfind to the pressure plate if there is a block. (Not shown in the video, but if there is a block anywhere in the same column, not necessarily at the end).
However, when the block is broken, they can find their way.

How to Reproduce

Download MC-144019.zip and click the button.