RTL language: mirror arrow icon direction, fix alert icon spacing
RTL language: mirror arrow icon direction, fix alert icon spacing

monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad