Fixed nil -> nil props showing up as failing in patch visualizer (plugin) (#1081)

CHANGELOG.md

@@ -1,10 +1,12 @@
 # Rojo Changelog
 
 ## Unreleased
+* Fixed nil -> nil properties showing up as failing to sync in plugin's patch visualizer ([#1081])
 * Changed the background of the server's in-browser UI to be gray instead of white ([#1080]) 
 * Fixed `Auto Connect Playtest Server` no longer functioning due to Roblox change ([#1066])
 * Added an update indicator to the version header when a new version of the plugin is available. ([#1069])
 
+[#1081]: https://github.com/rojo-rbx/rojo/pull/1081
 [#1080]: https://github.com/rojo-rbx/rojo/pull/1080
 [#1049]: https://github.com/rojo-rbx/rojo/pull/1066
 [#1069]: https://github.com/rojo-rbx/rojo/pull/1069

plugin/src/Reconciler/diff.lua

@@ -25,6 +25,14 @@ local function trueEquals(a, b): boolean
 		return true
 	end
 
+	-- Treat nil and { Ref = "000...0" } as equal
+	if
+		(a == nil and type(b) == "table" and b.Ref == "00000000000000000000000000000000")
+		or (b == nil and type(a) == "table" and a.Ref == "00000000000000000000000000000000")
+	then
+		return true
+	end
+
 	local typeA, typeB = typeof(a), typeof(b)
 
 	-- For tables, try recursive deep equality