CSS incorrectly blocked on fandom.com

[FWDekker]

Description

CSS is blocked by Shields on the wikis hosted on fandom.com. Shields detects four 3rd-party trackers, one of which hosts the CSS:

https://slot1-images.wikia.nocookie.net/__am/1558034982680/sasses/background-dynamic%3Dfalse%26background-image%3Dhttps%253A%252F%252Fimages.wikia.nocookie.net%252F__cb57%252Ffallout%252Fimages%252F5%252F50%252FWiki-background%26background-image-height%3D714%26background-image-width%3D556%26color-body%3D%2523c9cdac%26color-body-middle%3D%2523c9cdac%26color-buttons%3D%2523006722%26color-community-header%3D%2523006722%26color-header%3D%2523044d22%26color-links%3D%2523002bb8%26color-page%3D%2523ffffff%26oasisTypography%3D1%26page-opacity%3D100%26widthType%3D0/skins/oasis/css/oasis.scss,extensions/wikia/DesignSystem/styles/design-system.scss,extensions/wikia/CommunityHeader/styles/index.scss,extensions/wikia/PageHeader/styles/index.scss,extensions/wikia/Recirculation/styles/recirculation.scss,extensions/wikia/EmbeddableDiscussions/styles/EmbeddableDiscussions.scss,extensions/wikia/PortableInfobox/styles/PortableInfobox.scss,extensions/wikia/CommunityPage/styles/firstedit/FirstEditModal.scss,extensions/wikia/GlobalShortcuts/styles/GlobalShortcutsHelp.scss,extensions/wikia/GlobalShortcuts/styles/GlobalShortcutsSearch.scss,extensions/wikia/MyHome/oasis.scss,extensions/wikia/AdEngine3/dist/ads.scss,extensions/wikia/Qualaroo/css/Qualaroo.scss

Steps to Reproduce

1. Ensure that Shields is enabled.
2. Go to any wiki hosted on Fandom such as Fallout Wiki, Pokémon Wiki, or Witcher Wiki.

Actual result

Expected result

Reproduces how often

Easily reproduced

Brave version (brave://version info)

Brave    0.64.76 Chromium: 74.0.3729.157 (Official Build) (64-bit)
Revision 7b16107ab85c5364cdcd0b2dea2539a1f2dc327a-refs/branch-heads/3729@{#998}
OS       Windows 10 OS Build 17763.503

Version/channel information

• Does it reproduce on brave-browser dev/beta builds?
  Did not test.

Other additional information

• Does the issue resolve itself when disabling Brave Shields?
  Yes.
• Does the issue resolve itself when disabling Brave Rewards?
  No.
• Is the issue reproducible on the latest version of Chrome?
  No.

[rebron]

@FWDekker Can you try this again? We can't reproduce this issue.

[FWDekker]

@rebron I can no longer reproduce the issue either. Perhaps it was fixed in 0.64.77? Anyway, issue closed :)