Dynamic catalog discovery for `issues` stream [MFLP-13]

[edgarrmondragon]

TL;DR Use /rest/api/3/field to get the schema of custom fields.

See the linked Slack thread for why Meltano's schema and select extras interfere with each other here and prevent select nested fields correctly.

Links

• Slack: https://meltano.slack.com/archives/C068YBQQF1V/p1742327619468799
• Linen: https://discuss.meltano.com/t/27107499/hey-team-i-saw-https-github-com-meltanolabs-tap-jira-pull-10#a781439a-3fa0-470d-a12e-62fecc0e3cd7