Two Planet Mozilla sources discovered, one of which can't be followed

[stephendonner]

Description

Two Planet Mozilla sources, one of which can't be followed

Steps to Reproduce

1. install 1.47.20
2. launch Brave
3. open brave://flags
4. toggle brave://flags/#brave-news-v2 to Enabled
5. click on Relaunch
6. open a new-tab page
7. click Customize
8. click Turn on Brave News
9. beneath Discover, enter https://planet.mozilla.org/atom.xml
10. click on Get feeds from https://planet.mozilla.org/atom.xml
11. confirm one Planet Mozilla results under Sources
12. hover over and click on the Follow button within
13. wait
14. you're subscribed to Planet Mozilla, but with an additional non-followable source

Actual result:

click Follow	result

Expected result:

Should either be able to follow whatever the 2nd feed is, or it shouldn't be showing up, since we can't follow it.

Reproduces how often:

100%

Brave version (brave://version info)

Brave	1.47.20 Chromium: 107.0.5304.68 (Official Build) nightly (x86_64)
Revision	a4e93e89d3b3df1be22214603fba846ad0183ca5-refs/branch-heads/5304@{#991}
OS	macOS Version 11.7.1 (Build 20G918)

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?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Miscellaneous Information:

cc @fallaciousreasoning @petemill @mattmcalister

[fallaciousreasoning]

Ah, I think this is actually a UX bug. Second one is the direct feed we discovered, first one is the direct feed we subscribed to 🤦

We had this working at one point but I guess it regressed. I'll take a look.

[kjozwiak]

The above requires 1.46.102 or higher for 1.46.x verification 👍

[MadhaviSeelam]

Verification PASSED using

Brave | 1.46.102 Chromium: 107.0.5304.110 (Official Build) beta (64-bit)
-- | --
Revision | 2a558545ab7e6fb8177002bf44d4fc1717cb2998-refs/branch-heads/5304@{#1202}
OS | Windows 11 Version 21H2 (Build 22000.1219)

Verified using STR from brave/brave-core#15820 (comment)

Confirmed I was subscribed to the Planet Mozilla feed, without duplicate sources/cards, via direct-feed search.

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