If focused node has overflow rect, moved as location of clipped rect.
If focused node has overflow rect, moved as location of clipped rect.

[Title] If focused node has overflow rect, moved as location of clipped rect.
[Issue#] N/A
[Problem] Position for showing selection popup menu is not properly.
[Cause] If focused node has overflow rect,
        location of clipped rect is not applied to location of focused node rect.
        Location should be moved as location of clipped rect.

[Solution] Moved as location of clipped rect.

Change-Id: I1f1968b36edb78e13b807bf6f07df38af65a5fb8

youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl,youfoh/webkit-efl