JS: correct the initial value for globalticksPerSecond
JS: correct the initial value for globalticksPerSecond

The former incorrect value had no effect because it is over written when
setTickLength is called by Simulation.start.

Signed-off-by: Harry King <409587b9e6671aa0763646191d292852dc49a658@gmail.com>

jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim