Don't get all participants in Ritual.Participant[] since it can be large due to transcripts bytes being in each entry

[derekpierre]

Consider pagination.

Concrete example: instead of pulling 30 Pariticipant structs in one call (getParticipants contract call), get them in chunks.

Pariticipant struct is data heavy because of the bytes for the transcript.

[derekpierre]

Closed via #3419