* InsetTabular:
- remove the is_deleted_ boolean
- dispatch(): remove the call to updateDialog at the end
* ControlTabular::initialiseParams(): connect to the current tabular if found.
* QTabular::update_contents(): initialiseParams() each time.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19112 a592a061-630c-0410-9148-cb99ea01b6c8