[Feature request] Prevent putting image frame maps into cartography table

[RhythmicSys]

When attempting to change the zoom level using a cartography table with an image map it makes it blank:

When trying to lock an image map, it makes it blank:

It would be helpful if this were prevented from happening c:

[LOOHP]

Please give the latest build a try! https://ci.loohpjames.com/view/Spigot-Plugins/job/ImageFrame/

[RhythmicSys]

Works awesome! Thanks so much :D