Added a possible delay after connecting an Adalight device

Former-commit-id: 756fae2ebc57455bf6360dc96bf2ae5469460172

include/utils/Sleep.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <QThread>
+
+class Sleep : protected QThread {
+public:
+   static inline void msleep(unsigned long msecs) {
+	   QThread::msleep(msecs);
+   }
+};