#2029 ignore framerate with shadow servers since we are usually using…

… polling anyway

git-svn-id: https://xpra.org/svn/Xpra/trunk@21002 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/window/window_video_source.py

@@ -439,7 +439,7 @@ def lossless(reason):
             #raise the quality as the areas around video tend to not be graphics
             return nonvideo(quality+30, "not the video region")
 
-        if not video_hint:
+        if not video_hint and not self.is_shadow:
             if now-self.global_statistics.last_congestion_time>5:
                 lde = tuple(self.statistics.last_damage_events)
                 lim = now-4