Bug 27003: [20.05.x] Item creation log must be done after the item is created

Bug 27003: [20.05.x] Item creation log must be done after the item is created

Otherwise we don't have its itemnumber yet!

Test plan:
Add and modify an item and confirm that the action logs are created
correctly

Signed-off-by: Magnus Enger <magnus@libriotech.no>
Applied the patch on a live server showing missing info in the logs.
Created and deleted an item. Verified the logs now have the same
info as in the olden days.

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>