Replace Worker list revisions with ordered subscriptions

tools/web-ux/browser-tests/memory_document_fixture_server.ts

@@ -129,7 +129,7 @@ Deno.serve({ hostname: "127.0.0.1", port }, async (request) => {
       if (frame?.message?.method !== "subscribe_events") return;
       const requestId = frame.message.params.request_id;
       socket.send(JSON.stringify({
-        protocol_version: 1,
+        protocol_version: 2,
         frame: "response",
         message: {
           result: "subscribed",
@@ -137,7 +137,6 @@ Deno.serve({ hostname: "127.0.0.1", port }, async (request) => {
             request_id: requestId,
             subscription_id: "fixture-workers",
             selector: { topic: "workspace_workers" },
-            snapshot_revision: 1,
             snapshot: { topic: "workers", data: { workers: [] } },
           },
         },