Operator: search-for-step

Problem space: find-next-participation
Operator Overview:
This is a tasking operator which sets the search-for-step task.

Operator Proposal:
It is proposed any time we enter the find-next-participation space.

Operator Application:
It returns the task to the top.

Operator Reconsider:
The impasse terminates as a result of the task being posted.
Productions are in file: find-next-participation.soar6