Selecting Filecoin Testnet/Localhost creates a mainnet account and doesn't create account on selected network

[srirambv]

Description

Selecting Filecoin Testnet/Localhost creates a mainnet account and doesn't create account on selected network

Steps to Reproduce

1. Clean profile and create wallet
2. Create Filecoin account, ensure account starts with f
3. Enable show test networks
4. Select Filecoin Testnet from network selector
5. Prompts to create testnet account,
6. Selecting Yes adds a second Filecoin account on mainnet
7. Select testnet again, prompt to create a new testnet account is shown again
8. Selecting yes creates a third mainnet account
9. Repeat the same steps for localhost, same result ends up creating more mainnet accounts

Actual result:

Filecoin.Accounts.mp4

Expected result:

Network specific accounts should be created

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.45.95 Chromium: 106.0.5249.103 (Official Build) beta (64-bit)
Revision	182570408a1f25ab2731ef5f283b918df9b9f956-refs/branch-heads/5249_91@{#6}
OS	Windows 11 Version 22H2 (Build 22621.674)

Version/Channel Information:

• Can you reproduce this issue with the current release? NA
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Not checked

Other Additional Information:

• 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

Miscellaneous Information:

cc: @cypt4 @yrliou

[kjozwiak]

The above requires 1.45.106 or higher for 1.45.x verification 👍

[srirambv]

Verified as part of #24947 (comment)