v4.0.0-beta.33

• chore(release): 4.0.0-beta.33 (f9fa996)
• fix: Ensure document level mousedown listener is last (#668) (a6648d1), closes #668
• fix(drawing): fix blur not showing in safari (#669) (d5c0adb), closes #669
• fix(drawing): Fix Safari doesn't reflect color for custom cursor (#670) (d599d28), closes #670
• fix(region): Fix IE doesn't show crosshair cursor (#671) (154c28e), closes #671
• test(cypress): Adding discoverability tests (#672) (08685f2), closes #672