Refactor official Nuki MQTT support. Move offical-specific code into sepereate class. (#470)

* move offical related members to seperate class

* remove static references

* add buildMqttPath and comparePrefixedPath methods to NukiOfficial

* make offMqttPath private

* fix references and syntax errors

* move nuki official publish state update check to NukiNetworkLock

* make _disableNonJSON private

* make NukiOfficial members private

* move _offCommand to NukiWrapper

* make offCommandExecutedTs private

* make offTopics privte

* fix nuki publisher reference not set

* use NukiPublisher in NukiNetworkOpener

* fix build updater

* fix pl_off and stat_off strings

src/NukiPublisher.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <cstdint>
+#include "NukiNetwork.h"
+
+class NukiPublisher
+{
+public:
+    NukiPublisher(NukiNetwork* _network, const char* mqttPath);
+
+    void publishFloat(const char* topic, const float value, bool retain, const uint8_t precision = 2);
+    void publishInt(const char* topic, const int value, bool retain);
+    void publishUInt(const char* topic, const unsigned int value, bool retain);
+    void publishULong(const char* topic, const unsigned long value, bool retain);
+    void publishLongLong(const char* topic, int64_t value, bool retain);
+    void publishBool(const char* topic, const bool value, bool retain);
+    bool publishString(const char* topic, const String& value, bool retain);
+    bool publishString(const char* topic, const std::string& value, bool retain);
+    bool publishString(const char* topic, const char* value, bool retain);
+
+private:
+    NukiNetwork* _network;
+    const char* _mqttPath;
+
+};