helium/core: disable non-milestone update toast

disables the "Helium was updated" toast in top right. just unnecessary imo.

patches/helium/core/disable-update-toast.patch

@@ -0,0 +1,11 @@
+--- a/chrome/browser/ui/ui_features.cc
++++ b/chrome/browser/ui/ui_features.cc
+@@ -724,7 +724,7 @@ bool HasTabSearchToolbarButton() {
+ 
+ BASE_FEATURE(kNonMilestoneUpdateToast,
+              "NonMilestoneUpdateToast",
+-             base::FEATURE_ENABLED_BY_DEFAULT);
++             base::FEATURE_DISABLED_BY_DEFAULT);
+ 
+ BASE_FEATURE(kBookmarkTabGroupConversion,
+              "BookmarkTabGroupConversion",

patches/series

@@ -175,6 +175,7 @@ helium/core/enable-parallel-downloading.patch
 helium/core/infinite-tab-freezing.patch
 helium/core/disable-touch-ui.patch
 helium/core/open-new-tabs-next-to-active-tab-option.patch
+helium/core/disable-update-toast.patch
 
 helium/settings/move-search-suggest.patch
 helium/settings/remove-autofill.patch