Release notes for 519

The api, ChatService:FilterStringAsync/ChatService:FilterStringBroadcast will have a length limit. this should not impact normal use-cases.

Update Toolbox AssetConfig private audio message.

Don't let regular users with admin credentials use WebView2.

Update Toolbox AssetConfig private audio message.

Update Toolbox AssetConfig private audio message.

Fix Toolbox plugin installation bug

Fixed bug with enum properties in the Properties widget where when selecting multiple objects with different values, the first entry in the dropdown could not be selected, requiring selecting some arbitrary other value and then selecting the intended value afterwards.