Firestore Documents with an Array of Maps

I think I have encountered a bug (or maybe undocumented) which makes firestore integration impossible to use if using documents with arrays of maps. I cannot see any way of referencing this data type in flutterflow. If i completely ignore the fields that are maps and arrays of maps, then I can still see the documents in a listview but cannot read or write any of the data held in these type of fields. Is there any work around to this as it more or less makes it unusable.

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