Unlike their DST Origins, if you place a Mini-sign directly ontop of a chest (ie. with geo), the mini-sign will have its own hitbox, making it difficult to open the chest.
In DST, you can place the mini-sign in front of a chest, you have zero issues.
Here it is in Don't Starve:
Place mini-sign in front of chest with geo in DS and DST.
See that DS version has a hitbox to it, making it annoying to open the chest.