Release notes for 516

Deploy WebView2 installer for Studio and install it via Bootstrapper.

User may get security questions for verification during login

Added application.version to crashpad for studuio.

Bug reported here: https://devforum.roblox.com/t/latest-update-reverts-zindex-property-of-decals-textures-causing-z-fighting/1365941 is fixed.

Fix GetVelocityAtPosition implementation. It previously returned an incorrect value when called on non-root parts.

Fixed an issue in Asset Manager that prevented the scrollbar from being shown in certain situations.

Fixed the property item variant value runtime error with new update flow.