Slightly improve initial sync hangs (#1140)

plugin/src/App/init.lua

@@ -595,6 +595,12 @@ function App:startSession()
 		twoWaySync = Settings:get("twoWaySync"),
 	})
 
+	serveSession:setUpdateLoadingTextCallback(function(text: string)
+		self:setState({
+			connectingText = text,
+		})
+	end)
+
 	self.cleanupPrecommit = serveSession:hookPrecommit(function(patch, instanceMap)
 		-- Build new tree for patch
 		self:setState({
@@ -759,11 +765,13 @@ function App:startSession()
 			end
 		end
 
+		self:setState({
+			connectingText = "Computing diff view...",
+		})
 		self:setState({
 			appStatus = AppStatus.Confirming,
+			patchTree = PatchTree.build(patch, instanceMap, { "Property", "Current", "Incoming" }),
 			confirmData = {
-				instanceMap = instanceMap,
-				patch = patch,
 				serverInfo = serverInfo,
 			},
 			toolbarIcon = Assets.Images.PluginButton,
@@ -874,6 +882,7 @@ function App:render()
 
 					ConfirmingPage = createPageElement(AppStatus.Confirming, {
 						confirmData = self.state.confirmData,
+						patchTree = self.state.patchTree,
 						createPopup = not self.state.guiEnabled,
 
 						onAbort = function()
@@ -887,7 +896,9 @@ function App:render()
 						end,
 					}),
 
-					Connecting = createPageElement(AppStatus.Connecting),
+					Connecting = createPageElement(AppStatus.Connecting, {
+						text = self.state.connectingText,
+					}),
 
 					Connected = createPageElement(AppStatus.Connected, {
 						projectName = self.state.projectName,