Finish room diffing and syncing. All tests pass

test/data.js

@@ -39,7 +39,7 @@ module.exports = {
 			},
 			"m.room.avatar/": {
 				discord_path: "/icons/112760669178241024/a_f83622e09ead74f0c5c527fe241f8f8c.png?size=1024",
-				url: "mxc://cadence.moe/sZtPwbfOIsvfSoWCWPrGnzql"
+				url: "mxc://cadence.moe/zKXGZhmImMHuGQZWJEFKJbsF"
 			}
 		}
 	},
@@ -82,4 +82,4 @@ module.exports = {
 			system_channel_flags: 0|0
 		}
 	}
-}
+}