Field groups in fluid fields explode when cloning an entry with the "clone to new entry"

[JimStrive]

In 7.3.13 Field groups in fluid fields explode when cloning an entry with the "clone to new entry".

Starts like this

Ends like this

[TomJaeger]

tested and confirmed

[JimStrive]

@intoeetive I applied these changes manually to v7.4.13 and it didn't fix the problem, the groups are still exploded after duplication.

[giganticdesignco]

I am also experiencing this issue in 7.3.14.