[Mobile] Search button is black

[AOiegas]

Build:

• Stage;
• Production;

Affected Platforms:

• Android 11;
• iOS 15.4;

Browsers tested on:

• Firefox, Release version;

Prerequisites:

• Be signed in into a Firefox Relay account;
• Have at least one mask created;

Steps to reproduce:

1. Go to the Relay dashboard;
2. Observe the Search button;

Expected result:

• The button is displayed correctly;

Actual result:

• The button is solid black, barely distinguishable as a magnifying glass icon;

Notes:

• Seen by both Free and Premium users, ONLY on Mobile;
• To be noted: on Mobile, this is the button that the user has to tap for the search bar to be displayed. On desktop the bar is always visible;
• See attached media:
  

Desktop for comparison:

[Vinnl]

Heh, coincidentally I'd already submitted a fix for this that was just approved: #2144 :)