fix indicators warnings when removing a view

app/view/indicator.cpp

@@ -360,6 +360,11 @@ void Indicator::configUiFor(QString type, QQuickItem *parent)
     }
 }
 
+void Indicator::unloadIndicators()
+{
+    setPluginIsReady(false);
+}
+
 void Indicator::updateScheme()
 {
     auto prevConfigLoader = m_configLoader;

app/view/indicator.h

@@ -120,6 +120,7 @@ public:
     QQmlComponent *plasmaComponent() const;
 
     void load(QString type);
+    void unloadIndicators();
 
 public slots:
     Q_INVOKABLE void configUiFor(QString type, QQuickItem *parent);

app/view/view.cpp

@@ -147,6 +147,10 @@ View::~View()
 {
     m_inDelete = true;
 
+    if (m_indicator) {
+        m_indicator->unloadIndicators();
+    }
+
     disconnect(corona(), &Plasma::Corona::availableScreenRectChanged, this, &View::availableScreenRectChanged);
     disconnect(containment(), SIGNAL(statusChanged(Plasma::Types::ItemStatus)), this, SLOT(statusChanged(Plasma::Types::ItemStatus)));
 
@@ -177,14 +181,14 @@ View::~View()
         delete m_positioner;
     }
 
-    if (m_indicator) {
-        delete m_indicator;
-    }
-
     if (m_effects) {
         delete m_effects;
     }
 
+    if (m_indicator) {
+        delete m_indicator;
+    }
+
     if (m_visibility) {
         delete m_visibility;
     }