[FIX] web: make loading promise boolean-returning,

The new handler changes the behavior of `wait_ready`: before it would
wait for the `ready_code` to be `true` *or a settled promise*.

Now it waits for `wait_ready` to resolve to true, whether it's a
promise or not.

Part-of: odoo/odoo#77735

addons/web/static/src/boot.js

@@ -271,7 +271,7 @@
             unloaded: unloaded ? unloaded.map((mod) => mod.name) : [],
             cycle,
         };
-        didLogInfoResolve();
+        didLogInfoResolve(true);
     };
     odoo.processJobs = function (jobs, services) {
         var job;