forex :h calendar bug for next and prior open

[wizard50]

` ; bug. expexted time is 16:00
(let [calendar (:forex calendars)
interval (:h intervals)
prior-open-dt (:prior-open interval)]
(prior-open-dt calendar (t/in (t/date-time "2024-02-06T17:00") "America/New_York")))
;=> #time/zoned-date-time"2024-02-02T15:30-05:00[America/New_York]"

; bug. expexted time is 16:00
(let [calendar (:forex calendars)
interval (:h intervals)
next-open-dt (:next-open interval)]
(next-open-dt calendar (t/in (t/date-time "2024-02-06T15:30") "America/New_York")))
;=> #time/zoned-date-time"2024-02-07T17:00-05:00[America/New_York]"`

; bug. expected time is 16:30
(let [calendar (:forex calendars)
interval (:h intervals)
prior-close-dt (:prior-close interval)]
(prior-close-dt calendar (t/in (t/date-time "2024-02-06T17:00") "America/New_York")))
;=> #time/zoned-date-time"2024-02-06T16:00-05:00[America/New_York]"

bugs only exist for forex :h around the uncomplete 16:30h bar.