How to add the Finder to Cura:
Go to: https://github.com/eskeyaar/Flashforge-Finder-
Add 'definitions,' 'extruders,' and 'meshes' to installed Cura...
How to stop the sensor from dropping:
"One note about this setup: since Cura 4.2, you may see a weird behavior about the level sensor dropping out before print starts. Search for the setting 'Build Volume Temperature' and set it to zero in order to avoid that."