[Eco Bounty] Error message not user fiendly was displayed

Wallet Address [ioPay] : 0x385ba56abf3c15bad59887946acaf525cc7b44ad

Device & Enviroment :

• OS : Windows 11

• Browser : Microsoft Edge Version 138.0.3351.109

• Device model : Laptop Dell

Steps to Reproduce:

1. Go to: https://hub.iotex.io

2. Connect Wallet

3. Click Stake in the sidebar

4. In the Delegate List, click button Stake of any Delegate to open popup

5. Click icon wallet in Amount field

6. Click button CONFIRM

Actual Result:

After clicking icon wallet, message check input of Amount field was shown, then when clicking confirm button, message check required of all field was displayed, but the error ['Amount' must be string] also displayed in the bottom of the popup (not user-friendly)

Expected Result: The error ['Amount' must be string] should not display because already have error message under Amount field