Refactor duplicated record symbol code

[dplassgit]

This is in at least 3 or maybe 4 places:

    VariableSymbol tempSymbol = temp.symbol();
    if (tempSymbol.varType().isRecord()) {
      RecordSymbol recordSymbol = tempSymbol.recordSymbol();
      if (recordSymbol != null) {
        symbol.setRecordSymbol(recordSymbol);
      }
    }