app_server: fix ServerPicture::SyncState pen size

* Should use the unscaled pen size here because we also write down
  the current scale, and we don't want to scale the pen twice.

src/servers/app/ServerPicture.cpp

@@ -978,7 +978,7 @@ ServerPicture::SyncState(View* view)
 
 	WriteSetOrigin(view->CurrentState()->Origin());
 	WriteSetPenLocation(view->CurrentState()->PenLocation());
-	WriteSetPenSize(view->CurrentState()->PenSize());
+	WriteSetPenSize(view->CurrentState()->UnscaledPenSize());
 	WriteSetScale(view->CurrentState()->Scale());
 	WriteSetLineMode(view->CurrentState()->LineCapMode(),
 		view->CurrentState()->LineJoinMode(),

src/servers/app/ServerPicture.h

@@ -63,6 +63,8 @@ public:
 			status_t			ExportData(BPrivate::PortLink& link);
 
 private:
+	friend class PictureBoundingBoxPlayer;
+
 			typedef BObjectList<ServerPicture> PictureList;
 
 			int32				fToken;

src/tests/servers/app/Jamfile

@@ -156,6 +156,7 @@ SharedLibrary libtestappserver.so :
 	DesktopSettings.cpp
 	OffscreenServerWindow.cpp
 	OffscreenWindow.cpp
+	PictureBoundingBoxPlayer.cpp
 	RegionPool.cpp
 	Screen.cpp
 	ScreenConfigurations.cpp