Changed tracking from center to top left coordinates (#20313)
Fixes #20196
Summary of the issue:
The focus manager would not take into account the width or height of the object and returned their center, this could lead to out of Magnified view magnifier focus
Description of user facing changes:
user will now see the top left of the object as first focus
Description of developer facing changes:
focus manager no longer calculate the center of the focused object
Description of development approach:
return raw top left value instead of calculating the center
