Send a different token when scan to get the address in the Send popup dialog

Steps to reproduce:

- Click DAI or any ERC20 token on the wallet page;
- Click the Send button in the lower-left corner;
- Click the scan button in the address bar to scan a QR code.

Now it reads the address but instead of sending DAI, it becomes to send ETH, where you can see the title of the screen also changed to send ETH. And if you click OK anyway, you can see it actually sends ETH instead of DAI in the transaction confirmation popup.