[pickers] onAccept fired even when date is invalid, without information about error about mui-x HOT 2 OPEN

Thanks @pawelproject for raising this. IMHO your second proposal sounds good due to the nature of the event. It should be considered as an accept only on the calendar and therefor it is generally correct to fire the event, even with this invalid date.

WDYT @LukasTy ?

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@pawelproject thank you for a great observation. 🙏
Comparing the information in the lifecycle docs and the actual behavior in this particular case suggests that we need to fix this behavior or update the documentation. 🙈
IMHO, both suggested approaches seem valid, however, it's probably a bit less error-prone to go with the second option of also including a context in onAccept parameters.

In the meantime, I'd suggest you also listen to the onError callback and fire a backend request only when error === null.
What do you think? Would it be a valid compromise? 🤔

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