The chart legend are displayed vertically and with a double-colored line.

[Mayons]

Wazuh	Elastic	Rev	Security
4.3	7.16.1	4.3 RC2	Xpack

Browser
Chrome, Firefox

Description
The chart legend is displayed vertically and with a double color line

Preconditions

1. It needs to have a user with valid credentials

Steps to reproduce

1. Navigate to the "Security event" module
2. Look for some cake chart.
3. Take the mouse to a part of the cake chart

Expected Result

1. The legend of the portion of the chart must be displayed horizontally.

Actual Result

1. The legend of the portion of the chart it's been displayed vertically and with a double color line

Screenshots

Additional context
This behavior is reproducible on all the cake charts.