Default authorisation when adding LP is too high and unchangeable

[cnukaus]

When adding LP to a new pool (v4 and v3), the default authorisation is basically uncapped... and users can't change the amount in signature.

This is not safe.

[cnukaus]

MetaMask Version 12.6.2

Tested in V4,

Looks like useV3DerivedMintInfo (or a similar function) is unable to read currencyBalances

interface/apps/web/src/pages/AddLiquidityV3/index.tsx

Line 74 in 6e27a64

useV3DerivedMintInfo,