Added check for manuscript submitter

Targets #1186 (closed)

Summary

1. Added modifiers for team & team member to filter based on author role & accepted status respectively
2. Added sort by created desc modifier for team member
3. In the sendEmail graphQL flow, the manuscripts are being fetched with authors where team members have accepted status and sorted by created desc
4. The authorName value is being set to the first author in the list of manuscript authors