By Dhara Ranasinghe LONDON (Reuters) – With surging inflation and central bank policy occupying investors’ minds, the traditional market playbook on how to react to military flare-ups has been thrown out of the window. Unease over Russia’s troop build-up near the Ukraine border contributed, alongside U.S. rate-hike jitters, to a 5% slide on Wall Street last month. Yet top-rated government bonds and gold, assets that typically rally when political upheaval or war threaten, failed to benefit. U.S. and German bonds – considered the safest assets of all – witnessed their worst month since early 20…