fix i18n for bindings (#14235)

Also-By: Jacob Laursen <jacob-github@vindvejr.dk>
Signed-off-by: Jan N. Klug <github@klug.nrw>

bundles/org.openhab.binding.mqtt/src/main/resources/OH-INF/i18n/mqtt.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.mqtt.name = MQTT Binding
-binding.mqtt.description = Allows management of MQTT broker connections and linking of MQTT topics to Things and Channels
+addon.mqtt.name = MQTT Binding
+addon.mqtt.description = Allows management of MQTT broker connections and linking of MQTT topics to Things and Channels
 
 # thing types
 

bundles/org.openhab.binding.mqtt/src/main/resources/OH-INF/i18n/mqtt_de.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.mqtt.name = MQTT Binding
-binding.mqtt.description = Erlaubt die Verwaltung von MQTT Verbindungen und das Verknüpfen von MQTT Topics
+addon.mqtt.name = MQTT Binding
+addon.mqtt.description = Erlaubt die Verwaltung von MQTT Verbindungen und das Verknüpfen von MQTT Topics
 
 # thing types
 

bundles/org.openhab.binding.mqtt/src/main/resources/OH-INF/i18n/mqtt_hu.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.mqtt.name = MQTT kötés
-binding.mqtt.description = MQTT bróker kezelését teszi lehetővé, mellyel MQTT témákat kapcsolhat dolgokhoz és csatornákhoz
+addon.mqtt.name = MQTT kötés
+addon.mqtt.description = MQTT bróker kezelését teszi lehetővé, mellyel MQTT témákat kapcsolhat dolgokhoz és csatornákhoz
 
 # thing types
 

bundles/org.openhab.binding.mqtt/src/main/resources/OH-INF/i18n/mqtt_it.properties

@@ -1,7 +1,7 @@
-# binding
+# add-on
 
-binding.mqtt.name = Binding MQTT
-binding.mqtt.description = Consente la gestione delle connessioni dei broker MQTT e il collegamento dei Topic MQTT alle Thing e ai Channel
+addon.mqtt.name = Binding MQTT
+addon.mqtt.description = Consente la gestione delle connessioni dei broker MQTT e il collegamento dei Topic MQTT alle Thing e ai Channel
 
 # thing types