TypeConverter doesn't support reading date/time values

I could be wrong but it seems to me that `TypeConverter` only supports `LocalDateTime/LocalDate/LocalTime` types in `toField` method and it doesn't support them in the `fromField` method which basically means that one is able to store those types but not to read them

Locate TypeConverter and compare its handling of LocalDateTime, LocalDate, and LocalTime in toField with fromField. Trace the existing fromField conversion path first; done means those date/time values can be read as well as stored, with the relevant existing checks passing.

索引モデルが issue の本文から書いたものです。