fix bug in pedestrian spawn algorithm when peds are spawend exactly the same spot.

2 jobs for sourceFix in 2 minutes and 52 seconds (queued for 2 seconds)
Name Stage Failure
failed
run_scenario_files Deploy
Traceback (most recent call last):
File "Tools/run_vadere_console_with_all_scenario_files.py", line 61, in <module>
run_scenario_files_with_vadere_console(scenario_files)
File "Tools/run_vadere_console_with_all_scenario_files.py", line 53, in run_scenario_files_with_vadere_console
stderr=subprocess.PIPE)
File "/usr/lib/python3.5/subprocess.py", line 700, in run
stderr=stderr)
subprocess.TimeoutExpired: Command '['java', '-jar', 'VadereGui/target/vadere-console.jar', 'VadereModelTests/TestSFM/scenarios/basic_3_1_wall_sfm1.scenario', 'output']' timed out after 60 seconds
ERROR: Job failed: exit status 1