icons: add second changeable color
icons: add second changeable color

a purple #BD0FE1 that can be set via color (uses currentColor)

monotek/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,zammad/zammad,zammad/zammad