By Gergely Szakacs, Alan Charlish and Jason Hovet VELENCE, Hungary/WARSAW/PRAGUE (Reuters) – War may be raging on their doorstep but Central Europe’s economies are outpacing their euro zone peers as consumer spending booms. A reversal could come as soon as this summer, however, leaving a painful, inflation-laced hangover. Economists are already sounding the alarm about inflation momentum in Hungary and Poland, fuelled partly in both countries by government transfers to households that helped supercharge demand in the first quarter. Sharp interest rate rises have so far failed to curb price pre…