Description of problem:

A ksession not visible in the stateless|statefull window can be "edited".

Steps to reproduce:
1) create a new project
2) switch to "Knowledge Base Settings"
3) create a new kbase (e.g. k1)
4) add a new session (e.g. s1)
5) add another session (e.g. xxx)
6) create a new kbase (e.g. k2)
7) hit rename ksession button (the name from 5) should appear in the window)

Build
DR6