[ENH, BUG] Consistency of train/test samples in forest HT

[adam2392]

Changes proposed in this pull request:

• fixes a bug in consistency of train/test samples when random_state is not set in ForestHT

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[sampan501]

I'm running these with my code, will let you know if I find any bugs

[sampan501]

It's been running for about an hour and no warnings or errors yet, so I think it should be fixed!

[sampan501]

I think upon merging, this fix should be pushed immediately to PyPi since it should effect everyone'e results