[r23164]Bug #684670 - Interest amount calculation is wrong in Sqllite3 format

Yet another corner where forgetting to run a edit-commit cycle when
changing state breaks database save.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/branches/2.4@23165 57a11ea4-9604-0410-9ed3-97b8803252fd