add firstAttempt for immediate attempt-progress rendering
add firstAttempt for immediate attempt-progress rendering

66eli77/kolibri-exercise-perseus-plugin,christianmemije/kolibri-exercise-perseus-plugin,learningequality/kolibri-exercise-perseus-plugin,learningequality/kolibri-exercise-perseus-plugin,christianmemije/kolibri-exercise-perseus-plugin,christianmemije/kolibri-exercise-perseus-plugin,66eli77/kolibri-exercise-perseus-plugin,66eli77/kolibri-exercise-perseus-plugin