Invalid gateway address message is shown when https://localhost:{any port} is set in IPFS gateway

[GeetaSarvadnya]

Description

Found while testing #16999

Steps to Reproduce

1. Clean profile 1.30.68
2. launch Brave
3. load brave://settings/ipfs
4. click on the Change button
5. enter https://localhost:48083 and click Submit

Actual result:

Invalid gateway address error message is returned.

Expected result:

It should work as it works in 1.29.79

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.30.68 Chromium: 93.0.4577.63 (Official Build) beta (64-bit)
Revision	ff5c0da2ec0adeaed5550e6c7e98417dac77d98a-refs/branch-heads/4577@{#1135}
OS	Windows 10 OS Version 2009 (Build 19043.1165)

Version/Channel Information:

• Can you reproduce this issue with the current release? No
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

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: @brave/legacy_qa @spylogsster

[spylogsster]

@GeetaSarvadnya we check what will that gateway respond for predefined ipfs url, if it has wrong response we alert it as invalid, so to setup localhost url that localhost should resolve ipfs correctly, more details here #16999