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.cpp

@@ -0,0 +1,59 @@
+#include "NukiPublisher.h"
+
+
+NukiPublisher::NukiPublisher(NukiNetwork *network, const char* mqttPath)
+: _network(network),
+  _mqttPath(mqttPath)
+{
+}
+
+void NukiPublisher::publishFloat(const char *topic, const float value, bool retain, const uint8_t precision)
+{
+    _network->publishFloat(_mqttPath, topic, value, retain, precision);
+}
+
+void NukiPublisher::publishInt(const char *topic, const int value, bool retain)
+{
+    _network->publishInt(_mqttPath, topic, value, retain);
+}
+
+void NukiPublisher::publishUInt(const char *topic, const unsigned int value, bool retain)
+{
+    _network->publishUInt(_mqttPath, topic, value, retain);
+}
+
+void NukiPublisher::publishBool(const char *topic, const bool value, bool retain)
+{
+    _network->publishBool(_mqttPath, topic, value, retain);
+}
+
+bool NukiPublisher::publishString(const char *topic, const String &value, bool retain)
+{
+    char str[value.length() + 1];
+    memset(str, 0, sizeof(str));
+    memcpy(str, value.begin(), value.length());
+    return publishString(topic, str, retain);
+}
+
+bool NukiPublisher::publishString(const char *topic, const std::string &value, bool retain)
+{
+    char str[value.size() + 1];
+    memset(str, 0, sizeof(str));
+    memcpy(str, value.data(), value.length());
+    return publishString(topic, str, retain);
+}
+
+bool NukiPublisher::publishString(const char *topic, const char *value, bool retain)
+{
+    return _network->publishString(_mqttPath, topic, value, retain);
+}
+
+void NukiPublisher::publishULong(const char *topic, const unsigned long value, bool retain)
+{
+    return _network->publishULong(_mqttPath, topic, value, retain);
+}
+
+void NukiPublisher::publishLongLong(const char *topic, int64_t value, bool retain)
+{
+    return _network->publishLongLong(_mqttPath, topic, value, retain);
+}