Updated PAF approval flow (#3400)

hypha/apply/activity/adapters/django_messages.py

hypha/apply/activity/adapters/emails.py

hypha/apply/activity/adapters/utils.py

hypha/apply/activity/migrations/0074_alter_event_type.py

hypha/apply/activity/options.py

...tivity/templates/messages/email/assign_paf_approvers.html

.../dashboard/templates/dashboard/contracting_dashboard.html

hypha/apply/dashboard/templates/dashboard/dashboard.html

...pply/dashboard/templates/dashboard/finance_dashboard.html

...ply/dashboard/templates/dashboard/reviewer_dashboard.html

hypha/apply/dashboard/views.py

hypha/apply/projects/forms/__init__.py

hypha/apply/projects/forms/project.py

...apply/projects/migrations/0075_alter_pafapprovals_user.py

hypha/apply/projects/models/project.py

hypha/apply/projects/permissions.py

hypha/apply/projects/tables.py

...s/application_projects/includes/supporting_documents.html

...ojects/templates/application_projects/project_detail.html

hypha/apply/projects/templatetags/approval_tools.py