Wallet allows sending transactions with amounts that will not send in blockchain because of blockchain's fees.

[reveloper]

Bug Type

Functional

Reproduction steps

1. Open wallet, click "Send" button from main screen of Toncoin Wallet.
2. Enter wallet adress.
3. Enter amount little bit smaller, than whole balance.
4. Click "Send" button.

Actual result

Transaction will be declined after sending and displayed in transaction history as "Empty transaction".

https://user-images.githubusercontent.com/39581753/191334259-5396149a-16b6-4d62-9289-3b15c0b056d0.mov

Expected result

Don't allow users to send amounts, which don't allow sending transactions successfully.

Suggested Severity

High

Device

Smartphone (please complete the following information): Device: iPhone 12 OS: iOS 15.6.1 Toncoin wallet version 1.0.16

Additional Context

No response