UI|LegacyWidget: Use the LegacyWidget size as game view size
Rather than assuming the game view covers the entire window andtherefore is only resized when viewResized() occurs, now LegacyWidgetupdates its size whenever its rectangle moves.
View differences
UI|LegacyWidget: Use the LegacyWidget size as game view size
Rather than assuming the game view covers the entire window and
therefore is only resized when viewResized() occurs, now LegacyWidget
updates its size whenever its rectangle moves.