allow migrating from old to new bridge

test/data.js

@@ -25,7 +25,7 @@ module.exports = {
 			"m.room.name/": {name: "main"},
 			"m.room.topic/": {topic: "#collective-unconscious | https://docs.google.com/document/d/blah/edit | I spread, pipe, and whip because it is my will. :headstone:\n\nChannel ID: 112760669178241024\nGuild ID: 112760669178241024"},
 			"m.room.guest_access/": {guest_access: "can_join"},
-			"m.room.history_visibility/": {history_visibility: "invited"},
+			"m.room.history_visibility/": {history_visibility: "shared"},
 			"m.space.parent/!jjWAGMeQdNrVZSSfvz:cadence.moe": {
 				via: ["cadence.moe"],
 				canonical: true
@@ -45,7 +45,8 @@ module.exports = {
 				events: {
 					"m.room.avatar": 0
 				}
-			}
+			},
+			"chat.schildi.hide_ui/read_receipts": {hidden: true}
 		}
 	},
 	guild: {