Run create_federal_portfolio script with the --parse_requests flag on staging

[zandercymatics]

Issue description

In #3300 we ran the create_federal_portfolio script on staging with the --parse_domains flag to populate the suborganization list with data. However, we need to rerun the script with the --parse_requests flag to associate each domain and domain request with a portfolio and suborganization.

Acceptance criteria

• The create_federal_portfolio script is ran with the --parse_domains flag ONLY for existing portfolios

Additional context

For each portfolio record, run this command: ./manage.py create_federal_portfolio --agency_name {org_name} --parse_requests

Links to other issues

• 🔄 Run create_federal_portfolio script with the --parse_requests flag on stable #3426