By Yuliia Dysa and Anna Wlodarczak-Semczuk KYIV/WARSAW (Reuters) -A Ukrainian government delegation was due to visit the border with Poland on Friday amid farmers’ protests and blockades of cross-border cargoes from Ukrainian producers, President Volodymyr Zelenskiy said. In the latest incident, a load of rapeseed was spilled from train trucks by unidentified people in Poland…