Deposit TX value conversion error

[mkykadir]

https://github.com/ethereum/staking-launchpad/blob/1ef0ab384bd6f5911ede3dd84474d613f8d549d8/src/pages/Transactions/transactionUtils.tsx#L13

toNumber may result in exponential number under some conditions, i.e. pricePerValidator: 10_000

which results in exception when calling deposit from Deposit contract