Cleanup Rule definition in introspection

As per feedback from client development

libnymea-core/ruleengine/rule.h

@@ -35,9 +35,9 @@ namespace nymeaserver {
 class Rule
 {
     Q_GADGET
-    Q_PROPERTY(QUuid id READ id WRITE setId USER true)
+    Q_PROPERTY(QUuid id READ id)
     Q_PROPERTY(QString name READ name WRITE setName)
-    Q_PROPERTY(bool active READ active USER true)
+    Q_PROPERTY(bool active READ active)
     Q_PROPERTY(bool enabled READ enabled WRITE setEnabled USER true)
     Q_PROPERTY(bool executable READ executable WRITE setExecutable USER true)
     Q_PROPERTY(EventDescriptors eventDescriptors READ eventDescriptors WRITE setEventDescriptors USER true)

tests/auto/api.json

@@ -1890,10 +1890,10 @@
             "o:eventDescriptors": "$ref:EventDescriptors",
             "o:executable": "Bool",
             "o:exitActions": "$ref:RuleActions",
-            "o:id": "Uuid",
             "o:stateEvaluator": "$ref:StateEvaluator",
             "o:timeDescriptor": "$ref:TimeDescriptor",
-            "r:o:active": "Bool"
+            "r:active": "Bool",
+            "r:id": "Uuid"
         },
         "RuleAction": {
             "o:actionTypeId": "Uuid",