fixed: use of restartTimeStep() before it has been read

it is read in the beginRestart() method, reorder code accordingly

ebos/eclproblem.hh

@@ -2447,11 +2447,11 @@ private:
                                    timeMap.getTimeStepLength(episodeIdx));
         simulator.setEpisodeIndex(episodeIdx);
 
+        eclWriter_->beginRestart();
+
         Scalar dt = std::min(eclWriter_->restartTimeStepSize(), simulator.episodeLength());
         simulator.setTimeStepSize(dt);
 
-        eclWriter_->beginRestart();
-
         size_t numElems = this->model().numGridDof();
         initialFluidStates_.resize(numElems);
         if (enableSolvent)