Add coco studio ui focus test cases for Lua
Add deprecated support for lua binding of `getSize` and `setSize` of Widget
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_ui_focus
Merge pull request #7203 from samuele3hu/v3_ui_focus

Add coco studio ui focus test cases for Lua and add deprecated support for some functions