Update Flutter Web (#416)

diff --git a/flutter_web b/flutter_web
index 1ba5092..59a775a 160000
--- a/flutter_web
+++ b/flutter_web
@@ -1 +1 @@
-Subproject commit 1ba5092068da16a1af923349093fa0922c675912
+Subproject commit 59a775af75df1f4e5d1e04976a902b5e71f64f8f