webui(ws): try to contain wsSend to the queue callback

- 'log' payload nesting reduced, just one element (for now)
- move terminal and ws logger into ws helper classes
- 'manual' callback mode to simply allow for ws send window
  by using slightly more complicated loop w/ queue checks, though

code/html/src/debug.mjs

@@ -84,13 +84,8 @@ function listeners() {
         "log": (_, value) => {
             send("{}");
 
-            const messages = value["msg"];
-            if (messages === undefined) {
-                return;
-            }
-
-            for (let msg of messages) {
-                CmdOutput.push(msg);
+            for (const message of value) {
+                CmdOutput.push(message);
             }
 
             CmdOutput.follow();