validate all response entries

[tzarebczan]

Going to improve internal apis so that it returns the newest entry first as there was an issue if renting multiple times.

It should loop through each, and any valid one should allow access. i.e. purchase after rental, rental after invalid rental.

https://github.com/OdyseeTeam/odysee-api/blob/070b610c8e7a96e6740c63955077feb9be429d91/app/query/processors.go#L277