viz.prob_dist_plot() truncates at 20 beds

[zmek]

Describe the Bug

truncate_at_beds=20 which may not be correct in all probability distributions

To Reproduce

from viz.prob_dist_plot import prob_dist_plot

prob_dist_plot(prob_dist_data=prob_dist[list(prob_dist.keys())[0]]['pred_demand'], 
    title_=title_,  
    include_titles=False)
...

Expected Behaviour

Set default value to None

Actual Behaviour

Version In Use

0

Additional Context

- Python version:
- Operating system: