Make all cloud routing methods use UUID-based lookup

-Update getDynamic methods in CloudSet to consistently use getById() instead of mixing name-based and UUID-based lookups

Author: Raghav1428

core/src/main/java/jenkins/agents/CloudSet.java

@@ -74,7 +74,7 @@ public Descriptor<CloudSet> getDescriptor() {
     }
 
     public Cloud getDynamic(String token) {
-        return Jenkins.get().getCloud(token);
+        return getById(token);
     }
 
     @Override