v3.2.1: fix profile loading against updated meta.sr.ht SSHKey schema.

This release:
- removes the deprecated SSH key fingerprint dependency from profile/settings queries
- updates SSH key UI to use comment or key ID as the display label
- makes Needs Attention snapshots follow the Home failed-build timeframe selection
- adds a persisted timeframe filter to the Builds tab
- adds regression coverage for SSH key queries and build timeframe filtering