revert dev7 mqtt changes

src/core/emsdevice.cpp

@@ -2207,7 +2207,7 @@ void EMSdevice::mqtt_ha_entity_config_create() {
 
 #ifndef EMSESP_STANDALONE
             // always create minimum one config
-            if (count && (heap_caps_get_free_size(MALLOC_CAP_INTERNAL) < 65 * 1024)) { // checks free Heap
+            if (count && (heap_caps_get_free_size(MALLOC_CAP_8BIT) < 65 * 1024)) { // checks free Heap+PSRAM
                 break;
             }
 #endif

src/core/mqtt.cpp

@@ -352,7 +352,6 @@ void Mqtt::reset_mqtt() {
         mqttClient_->disconnect(true); // force a disconnect
     }
     load_settings(); // reload MQTT settings
-    connectcount_ = 0;
 }
 
 // load the settings from service