Fix RandR dailog issues.
Fix RandR dailog issues.

- Detect when cloning is changed and update monitor "changes"
- When cloning, we cannot necessarily match parent's Mode, so find a
mode which matches on Size.
- Fix mouse pointer change issue where pointer was not being unset.

Signed-off-by: Chris Michael <177aeddb9e34930a357ecd8dd2d21c80fe280c85@samsung.com>

FlorentRevest/Enlightenment,rvandegrift/e,tizenorg/platform.upstream.enlightenment,FlorentRevest/Enlightenment,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,FlorentRevest/Enlightenment,rvandegrift/e,rvandegrift/e