Merge branch 'gui_settings' into 'master'

add gui settings if not already added in ngsolve

See merge request ngsolve/netgen!582

python/webgui.py

@@ -120,6 +120,8 @@ class WebGLScene(BaseWebGuiScene):
 
         if "fullscreen" in kwargs:
             d["fullscreen"] = kwargs["fullscreen"]
+        if "gui_settings" not in d:
+            d["gui_settings"] = self.kwargs["settings"]
         return d