getMintDetails to check whether a wallet can mint a subname and to retrieve the estimated price and fee.
Usage
MintDetailsResponse
The data returned from this function answers the questions:- What is the total price of minting a given subname?
- Is the minter address allowed to mint a subname?
- canMint - Specifies whether a minter address has permission to mint a subname. If this is false, see
validationErrorsfor the reason. - estimatedPriceEth - The price for minting a subname, set by the listing owner.
- estimatedFeeEth - The minting fee for minting a subname.
- validationErrors - Lists the exact reason the mint cannot proceed, such as an unavailable label, expired listing, missing whitelist entry, or unmet token requirement.

