Negation Filter "Treat as empty text" Setting

Negation filters ("does not contain" and "does not equal") now include a per-filter setting that controls how blank values are handled. Previously, applying a negation filter to a dimension could unintentionally exclude rows where that dimension had no value at all — sometimes leaving a widget table appearing empty. With the new "Treat as empty text" setting, you can choose to keep rows with blank values instead of dropping them. The setting is available wherever negation filters are created or edited. Existing filters keep their current behavior, so no reports change unless you opt a filter in.