[ML] Mute MLModelDeploymentFullClusterRestartIT (#85439)

For #85438

x-pack/qa/full-cluster-restart/src/test/java/org/elasticsearch/xpack/restart/MLModelDeploymentFullClusterRestartIT.java

@@ -79,6 +79,7 @@ public class MLModelDeploymentFullClusterRestartIT extends AbstractFullClusterRe
         return Settings.builder().put(ThreadContext.PREFIX + ".Authorization", token).build();
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/85438")
     public void testDeploymentSurvivesRestart() throws Exception {
         assumeTrue("NLP model deployments added in 8.0", getOldClusterVersion().onOrAfter(Version.V_8_0_0));