Fixes#36979
If `abort` is not issued in the top level session prompt
the existing session goes to pending state.
The fix is to come out of config mode by issuing `end` command
and again to same config session and execute `abort` which
`abort` is issued at the top level session prompt.
(cherry picked from commit 017ea018d0649b8b6f392f9505992f39e99943fa)
