Brave news downloading data file even when disabled

[fmarier]

Description

https://brave-today-cdn.brave.com/sources.global.json is downloaded at startup even before Brave News is enabled

Steps to reproduce

1. Create a new browser profile.
2. Run mitmproxy --mode socks5 --listen-port 9000
3. Start Brave with --proxy-server="socks5:https://localhost:9000"
4. Watch the network requests coming through.

Actual result

Expected result

https://brave-today-cdn.brave.com/sources.global.json should only be downloaded if Brave News is enabled

Reproduces how often

Easily reproduced

Brave version (brave:https://version info)

1.70.0 Chromium: 127.0.6533.100 (Developer Build) (64-bit)

Channel information

• release (stable)
• beta
• nightly

Reproducibility

• with Brave Shields disabled
• with Brave Rewards disabled
• in the latest version of Chrome

Miscellaneous information

No response