JS3D: prevent calling tableChanded more than once for a wrong entered value
JS3D: prevent calling tableChanded more than once for a wrong entered value

This prevents having two error dialog boxes displayed on top of each other
when the entered value in the editbox is not valid. The FOCUS_LOST of the
the edit box to the error box caused the tableChanded to be called again.

Signed-off-by: Ali Marandi <c1f5ba98b5f658269cb60d2683b8b1af37717b03@ausencosandwell.com>
Signed-off-by: Harvey Harrison <eadbd6b462bf3c97df0300a934c12bc2e5d1fe51@ausencosandwell.com>

jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim