Extend get_dashboard_filter_context with an optional active_data_mask kwarg so
callers can resolve each in-scope native filter against live dashboard filter
state instead of saved defaults. A non-empty active extraFormData is applied,
an empty one clears the filter (no fallback to default), and filters absent
from the mask keep their defaults. Backward compatible: omitting the kwarg
reproduces initial-load behavior. Adds unit tests covering override, clear,
fallback, defaultToFirstItem, and out-of-scope cases.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
5f5595e8df