refactor(Drawer): adjust overlay/underlay naming + remove unnecessary <Box> wrapping children

[LuizAsFight]

This PR

• replace overlay with underlay to populate underlay container
• creates overlay classname in the correct element
• remove unnecessary <Box> wrapping children content in Drawer component

[github-actions[bot]]

Coverage report for ./design-system/react

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	93.52%	1645/1759
🟢	Branches	83.06%	353/425
🟢	Functions	83.52%	218/261
🟢	Lines	94.06%	1616/1718

Test suite run success

143 tests passing in 47 suites.

Report generated by 🧪jest coverage report action from 92708d70cd6e98b7cf13fa89a1208949a6c1e430

[LuizAsFight]

fixed @luizstacio could you check again ? ty