Update cursor when Keyboard Focus gained
Update cursor when Keyboard Focus gained

* Cursor had 0 height if TextField editmode started without tapping control

Change-Id: Iad6eeb1a4e6e55c498a1afc276acee03b10095d3
Signed-off-by: Agnelo Vaz <d0fa58ac5bbe69eb48f57743cdbf1057356aae0d@samsung.com>

dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit,dalihub/dali-toolkit