Add route for admins to issue tickets to users

[aviupadhyayula]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 94.73684% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 70.92%. Comparing base (fb4e4cf) to head (3169001). Report is 1 commits behind head on ticketing.

:exclamation: Current head 3169001 differs from pull request most recent head f5bb394. Consider uploading reports for the commit f5bb394 to get more accurate results

Files	Patch %	Lines
backend/clubs/views.py	94.73%	2 Missing :warning:

Additional details and impacted files

@@              Coverage Diff              @@
##           ticketing     #679      +/-   ##
=============================================
+ Coverage      70.78%   70.92%   +0.13%     
=============================================
  Files             31       31              
  Lines           6744     6782      +38     
=============================================
+ Hits            4774     4810      +36     
- Misses          1970     1972       +2     

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[aviupadhyayula]

This route bypasses event.ticket_drop_time, so tickets that aren't publicly available yet (i.e. through event/tickets) can still be issued. I think this fits the spirit of why we added the drop time.

Let me know what you guys think.

[aviupadhyayula]

Permissions (and a test validating this) are the most important thing about this PR

Merging this in so that frontend dev isn't blocked, but main points should be addressed.