Blender Git Loki

UI: Fix UIList item using "regular" widget colors while edited

Simply removing the check for `UI_STATE_TEXT_INPUT` makes it inherit
the "List Item" User Interface theme settings. This patch changes the
default theme to match the colors of text input fields.

#### Master
{F11680556, size=full}

#### This patch
{F11680557, size=full}

All the included commmunity themes seem to work well (only Deep Grey might
need more contrast but that's a different patch).

Related reports: T92720

Reviewed By: #user_interface, Severin

Maniphest Tasks: T92720

Differential Revision: https://developer.blender.org/D13073