Fix #7123: showing network logo on asset icon

[nuo-xu]

Summary of Changes

1. showing network logo on non-native asset icon
2. added a border around network logo to match desktop
3. add filecoin network logo for two filecoin (evm) networks

This pull request fixes #

Submitter Checklist:

• Unit Tests are updated to cover new or changed functionality
• User-facing strings use NSLocalizableString()
• New or updated UI has been tested across:
  • Light & dark mode
  • Different size classes (iPhone, landscape, iPad)
  • Different dynamic type sizes

Test Plan:

Check Portfolio/Token search/NFT tab
all non-native assets should display with a network logo
or if the network is not the official Ethereum network, but uses ETH as gas (e.x Ether on Aurora and Ether on Optimism)

Screenshots:

Simulator.Screen.Recording.-.iPhone.14.Pro.-.2023-04-28.at.15.09.20.mp4

Reviewer Checklist:

• Issues include necessary QA labels:
  • QA/(Yes|No)
  • bug / enhancement
• Necessary security reviews have taken place.
• Adequate unit test coverage exists to prevent regressions.
• Adequate test plan exists for QA to validate (if applicable).
• Issue and pull request is assigned to a milestone (should happen at merge time).