e_client: Add ignore_geometry property to E_Client to ignore geometry calc when vis...

e_client: Add ignore_geometry property to E_Client to ignore geometry calc when vis calc

Ignore_geometry is property for ignore geometry calculation during calculate visibility after once the window show and the property set.
The window that set visibility.ignore_geometry always retain unobscured even if the window is stack in lowest after client attach buffer that not NULL.
It makes the client to do something their jobs under other client window.

Change-Id: Idce08255223d451cbd39b09166849a45cc9586c3