HCM: Align form validation icon color in high contrast mode across form elements

[alionazherdetska]

Description:
The color of the form validation icons is inconsistent in high contrast mode. Specifically:

1. For text input, select, and textarea fields, the validation icons the icon is red
2. For all other form elements, the validation icon color appears as white.

Steps to Reproduce:

1. Enable high contrast mode in the browser or system settings.
2. Navigate to the Form Validation page.
3. Observe the icon colors for each form element.

Possible solution:
You can adjust the fill property for the background SVG used in the text input, select, and textarea elements to ensure consistent icon color in high contrast mode: