Fix IVR for orgs using S3 sessions

[rowanseymour]

No description provided.

[codecov]

Codecov Report

Merging #494 (49a7976) into main (0b67cac) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #494   +/-   ##
=======================================
  Coverage   57.29%   57.30%           
=======================================
  Files         126      126           
  Lines        8749     8750    +1     
=======================================
+ Hits         5013     5014    +1     
  Misses       2950     2950           
  Partials      786      786           

Impacted Files	Coverage Δ
web/server.go	59.75% <100.00%> (+0.49%)	⬆️
web/testing.go	65.21% <100.00%> (ø)

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