Initialize TextSelectionHandles status to false when context menu item has been selected

Initialize TextSelectionHandles status to false when context menu item has been selected

[Title] Initialize TextSelectionHandles status to false when context menu item has been selected
[Issue#] N_SE-41082
[Problem] Handles are not updated when choose the select all context menu after move handle.
[Cause] There is no initialize handle status routine after choose context menu items.
[Solution] Add init routine at contextMenuItemSelectedCallback.

Change-Id: Ib2c526eefb50d22937228496e74e8d3ffaf77803