Show Brave Today is experiencing some issues. Try again instead message instead of spinner when the network is OFF.

[GeetaSarvadnya]

Description

Show Brave Today is experiencing some issues. Try again instead message instead of the spinner when the network is OFF.

Steps to Reproduce

1. Disconnect the Wifi/Internet
2. Clean profile 1.18.x
3. Open a NTP
4. Scroll to the Brave today feeds

Actual result:

Expected result:

As mentione din the test plan #12574 (comment)

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.18.69 Chromium: 87.0.4280.88 (Official Build) (64-bit)
Revision	89e2380a3e36c3464b5dd1302349b1382549290d-refs/branch-heads/4280@{#1761}
OS	Windows 10 OS Version 2004 (Build 19041.630)

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? 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 @rebron @petemill @karenkliu

[mattmcalister]

Closing as dupe of #14508