ENYO-3062:DnD control point disappear in designer

Enyo-DCO-1.1-Signed-off-by: hgpark uionion@gmail.com
ENYO-3062:DnD control point disappear in designer

Enyo-DCO-1.1-Signed-off-by: hgpark uionion@gmail.com
ENYO-3062:DnD control point disappear in designer
you can see those make a scroller of designer when it is in scroller component.
it is scroller Pull to the right. you can see drag point in the designer.
Enyo-DCO-1.1-Signed-off-by: hgpark uionion@gmail.com
ENYO-3062:DnD control point disappear in designer

error fix
Enyo-DCO-1.1-Signed-off-by: hgpark uionion@gmail.com
Merge pull request #589 from enyojs/ENYO-3062-hgpark

ENYO-3062:DnD control point disappear in designer