Enable source playback for storj recordings

[mjh1]

The hostname in the storj urls is not unique so had to switch this logic to a string substitution. I've confirmed this is working on staging.

[codecov]

Codecov Report

Merging #858 (c3dd7b5) into main (7fc5223) will increase coverage by 0.06356%.
The diff coverage is 57.89474%.

@@                 Coverage Diff                 @@
##                main        #858         +/-   ##
===================================================
+ Coverage   51.66228%   51.72584%   +0.06356%     
===================================================
  Files             63          63                 
  Lines           6076        6084          +8     
===================================================
+ Hits            3139        3147          +8     
  Misses          2685        2685                 
  Partials         252         252                 

Files Changed	Coverage Δ
pipeline/ffmpeg.go	35.11450% <57.89474%> (+2.04363%)	⬆️

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Files Changed	Coverage Δ
pipeline/ffmpeg.go	35.11450% <57.89474%> (+2.04363%)	⬆️