Clone Original LPE issue

Backport of commit 546b645c
This backport fix a problem originated in a clone original cleanup backported to 1.0.x
The main goal is fix this issue:

• Use clone LPE
• Add transform to the non clone lpe item
• Store the file
• Reopen

Item don`t get last transform

Also fix some crashes when trying to acces to a freed gchar