By Gwladys Fouche and Victoria Klesty KIRKENES, Norway (Reuters) – Kirkenes, a Norwegian town a stone’s throw from Russia, was for over three decades a symbol of cross-border harmony in the Arctic. That came to a crashing end when Russia invaded Ukraine. Since then people have been adapting to the new realities. One is the prospect that neighbouring Finland could join Norway in NATO, with Finnish President Sauli Niinisto expected to say on Thursday it should apply to the military alliance. Companies here are seeking to reduce their dependence on doing business with Russia even as Norway has ma…