Bugfix for scan type names with special characters

[tclose]

• Escape scan type names so they are valid directory names and can be staged accordingly on the system

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 73.78%. Comparing base (6354478) to head (c9354f4).
Report is 1 commits behind head on main.

Files	Patch %	Lines
xnat_ingest/utils.py	87.50%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #3      +/-   ##
==========================================
+ Coverage   73.69%   73.78%   +0.08%     
==========================================
  Files          14       14              
  Lines        1095     1110      +15     
==========================================
+ Hits          807      819      +12     
- Misses        288      291       +3     

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