After using the quick filter, when you cancel it, the inbox should resort by the preferred sort order previously set up.
Currently, when you cancel the quick filter, the full inbox shows sorted by whatever the quick filter sort was. For example if I search "smith" under sender, it shows all the "smith" sorted by date (my preference). When I cancel the quick filter, the full inbox is still sorted by name, even though it's indicating it's sorting by date (little arrow on Date column). This is a bug.
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