feat(gateway): allow to change the light color

Major fix on devices, set output only when no payload.sid is present

node-red-contrib-xiaomi-configurator/xiaomi-configurator.html

@@ -4,6 +4,7 @@
         defaults: {
             name: {value: ""},
             ip: {value: ""},
+            sid: {value: ""},
             deviceList: {value:[{ sid:"", desc:"", model:"plug"}]},
             key: {value: ""}
         },
@@ -92,6 +93,10 @@
         <label for="node-config-input-ip"><i class="icon-tag"></i> IP address (v4 or v6)</label>
         <input type="text" id="node-config-input-ip" placeholder="IP">
     </div>
+    <div class="form-row">
+        <label for="node-input-sid"><i class="icon-tag"></i> SID (optional)</label>
+        <input type="text" id="node-input-sid" placeholder="sid">
+    </div>
     <div class="form-row">
         <label for="node-config-input-key"><i class="fa fa-ticket"></i> Key/Password</label>
         <input type="text" id="node-config-input-key" placeholder="Key">

node-red-contrib-xiaomi-configurator/xiaomi-configurator.js

@@ -6,6 +6,7 @@ module.exports = function(RED) {
         this.deviceList = n.deviceList || [];
         this.key = n.key;
         this.ip = n.ip;
+        this.sid = this.sid || n.sid;
 
         var node = this;
     }