Fix a warning when popping up the doc popup with no completions
Fix a warning when popping up the doc popup with no completions

Don't try to set the cursor row to the first row when there are
no rows.

rschroll/reinteract,johnrizzo1/reinteract,johnrizzo1/reinteract,alexey4petrov/reinteract,jbaayen/reinteract,alexey4petrov/reinteract,jbaayen/reinteract,johnrizzo1/reinteract,alexey4petrov/reinteract,rschroll/reinteract,jbaayen/reinteract,rschroll/reinteract