fix two warnings 1) C++ forbids converting a string constant to 'char*'

2) suggest paranthesis around '&&' within '||'

src/hm/Communication.h

@@ -117,7 +117,7 @@ class Communication : public CommQueue<> {
 
                     //q->iv->radioStatistics.txCnt++;
                     q->iv->radio->mRadioWaitTime.startTimeMonitor(mTimeout);
-                    if(!mIsRetransmit && (q->cmd == AlarmData) || (q->cmd == GridOnProFilePara))
+                    if((!mIsRetransmit && (q->cmd == AlarmData)) || (q->cmd == GridOnProFilePara))
                         incrAttempt((q->cmd == AlarmData)? MORE_ATTEMPS_ALARMDATA : MORE_ATTEMPS_GRIDONPROFILEPARA);
 
                     mIsRetransmit    = false;

src/publisher/pubMqtt.h

@@ -423,7 +423,7 @@ class PubMqtt {
                 }
 
                 DynamicJsonDocument doc2(512);
-                constexpr static char* unitTotal[] = {"W", "kWh", "Wh", "W"};
+                constexpr static const char* unitTotal[] = {"W", "kWh", "Wh", "W"};
                 doc2[F("name")] = String(name.data());
                 doc2[F("stat_t")] = String(mCfgMqtt->topic) + "/" + ((!total) ? String(iv->config->name) : "total" ) + String(topic.data());
                 doc2[F("unit_of_meas")] = ((!total) ? (iv->getUnit(mDiscovery.sub, rec)) : (unitTotal[mDiscovery.sub]));