Non-existing token ID cause empty Portfolio page

[wchen342]

Description

A non-existing token ID for NFT will cause the portfolio page to not show any information upon next opening of wallet.

Steps to reproduce

1. Go to wallet->Edit visible assets, add a normal NFT.
2. Add another NFT, but this time set Token ID to a non-exisitng number (i.e. the corresponding NFT doesn't exist).
3. Quit to NTP, open wallet again.
4. Portfolio screen now has no graph and no token list., only network selector and "Edit viswible assets" button.

Actual result

Portfolio screen shows no graph and no token list.

Expected result

Token list and graph show normally.

Issue reproduces how often

Easy

Version/Channel Information:

• Can you reproduce this issue with the current Play Store version? Yes
• Can you reproduce this issue with the current Play Store Beta version? Yes
• Can you reproduce this issue with the current Play Store Nightly version? Yes

Device details

• Install type (ARM, x86): ARM
• Device type (Phone, Tablet, Phablet): Phone
• Android version: 12

Brave version

1.45.123

Website problems only

• Does the issue resolve itself when disabling Brave Shields? NA
• Does the issue resolve itself when disabling Brave Rewards? NA
• Is the issue reproducible on the latest version of Chrome? NA

Additional information

cc: @srirambv @SergeyZhukovsky @Pavneet-Sing @jamesmudgett

[muliswilliam]

@wchen342 What does "Quit to NTP" mean?

[wchen342]

@muliswilliam NTP is the new tab page (the first page you see when entering the browser), I probably shall just say quit wallet.

[wchen342]

Also this is an Android issue, not a desktop one.

[wchen342]

Resolved by brave/brave-core/pull/16108.

[srirambv]

Verification passed on the following devices running 1.48.155 x64 build

• Verified steps from issue description
• Verified adding an invalid/non-existent token ID doesn't cause the graph to show empty value

Oppo Reno 5 (Android 13)	Lenovo Tab (Android 12)
26803-ARM.mp4	26803-Tab.mp4