George Vogiatzis authored Jan 27, 2020 and Nate Graham committed Jan 27, 2020

Summary:
Change drop indicator color form highlight to text.
This makes more visible, when indicator is adjacent to a highlight
item, of a list.

BUG: 415010

Test Plan:
Before vs After
{F7974679}

Reviewers: #dolphin, #vdg, elvisangelaccio, ngraham

Reviewed By: #dolphin, #vdg, ngraham

Subscribers: meven, kfm-devel

Tags: #dolphin

Differential Revision: https://phabricator.kde.org/D26936