Improve logs on ConsoleProxyManagerImpl and refactor a few process (#4959)

Author: GutoVeronezi

engine/schema/src/main/java/com/cloud/vm/ConsoleProxyVO.java

@@ -149,4 +149,8 @@ public int getPort() {
         return port;
     }
 
+    @Override
+    public String toString() {
+        return String.format("Console %s", super.toString());
+    }
 }