update ui for ubuntu fix

diff --git a/ui b/ui
index 8615288..4647fa9 160000 (submodule)
--- a/ui
+++ b/ui
@@ -1 +1 @@
-Subproject commit 8615288ad1f321195dbc3e063bfb6f295fa28cd2
+Subproject commit 4647fa9b9567abe588a3a5e7272bfb0f3d40248a