Make sure stale statuses are not presented to the screen reader, e.g. Hall Unlocked - This Hall is Locked.

webserver/static_accessibility_test.go

@@ -56,6 +56,7 @@ func TestStaticLiveRegionAnnouncementsStayWired(t *testing.T) {
 	requireFunctionContains(t, js, "announceLiveRegion", "state.queue.push")
 	requireFunctionContains(t, js, "announceLiveRegion", "flushLiveRegion")
 	requireFunctionContains(t, js, "flushLiveRegion", "appendChild")
+	requireFunctionContains(t, js, "flushLiveRegion", "if(text === undefined) {\n        announcement.replaceChildren();")
 	requireFunctionContains(t, js, "addToChatbox", "announceChat")
 	requireFunctionContains(t, js, "setUserStatus", "announceUrgent(`${username}: hand raised`)")
 	requireFunctionContains(t, js, "setUserStatus", "announceUrgent(`${username}: hand lowered`)")