ZSQLCatalog: reject unhandled search value types.

Raise an exception instead of casting to string unhandled search values,
because it's more likely that caller accidentally passed a wrong value.
3 jobs for feat/catalog_unhandled_search_type_raise in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner1

01:19:23

failed ERP5.PerformanceTest-TestRunner1

00:35:03

failed ERP5.UnitTest-TestRunner1

02:46:19