Fix dropped FirmwareStatusNotification::Installed message (refs EVERE…

…ST-1175)

The variable to publish FirmwareStatusNotification::Installed message is
now delayed, because the message is dropped in case the OCPP client is
not connected. This is only a temporary solution as long as the
reported issues (EVerest/libocpp#758,
EVerest/everest-core#841) are not fixed.

Signed-off-by: Fabian Hartung <fabian.hartung@chargebyte.com>

modules/CbSystem/main/systemImpl.cpp

@@ -142,6 +142,9 @@ static std::string get_partition(PartitionType part_type) {
 }
 
 void systemImpl::ready() {
+    // TODO: Remove this sleep when fix of libocpp issues (ref: https://github.com/EVerest/libocpp/issues/758,
+    // https://github.com/EVerest/everest-core/issues/841) are implemented
+    sleep(20);
     check_update_marker();
 }