[Eco Bounty] IoTeX Scan $NaN error and Gui problems

Wallet Address: io1694925h9r9q5sm0txcgftp4wft7p662xhrd7d4

Description: IoTeX Scan Details page have ui problem on mobile devices, $NaN Net worth calculation error

Reproduction Steps:

• Open ioPay App

• Navigate to IoTeX Scan

• Search a wallet address

• In Overview Container you see NaN values

• In XRC20 Token Assets Container you see Token Name overflow

Device & Environment:

-ioPay version: v4.7.4 (3927)

-Operating system: Android 10

-Device model: Huawei P30