[Eco Bounty] User can save server info without inputting server address

Wallet Address [ioPay] : 0x385ba56abf3c15bad59887946acaf525cc7b44ad

Device & Environment :

• 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 icon switch next to logo

4. Click Register a Device

5. Click icon setting

6. Click Custm Server

7. No input, just click button SAVE

Actual Result:

After clicking Save, new row was added with no server address

Expected Result:

After clicking SAVE button, should check validate input required