FI-2791: Revert resume test route refactor

[Jammjammjamm]

Summary

When there are multiple consecutive wait tests, there is a race condition which can put Inferno into a state where it fails to resume the test run. This branch reverts resume_test_route to no longer be based on suite endpoints which should prevent Inferno from getting into that bad state.

Testing Guidance

Locally in the PAS test kit, run bundle update inferno_core, which should bump core to 0.4.37. In the client suite, run the Demonstrate Workflow Support group, which should end up in a bad state:

This change was released as 0.4.37.dev so that we could use it in the connectathon. If you set core's version to 0.4.37.dev in the PAS test kit, or run the same tests on QA, they should no longer hang at this point.

[codecov]

Codecov Report

Attention: Patch coverage is 97.05882% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.71%. Comparing base (c3eb7c2) to head (8e89feb).

Files	Patch %	Lines
lib/inferno/dsl/suite_endpoint.rb	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #497      +/-   ##
==========================================
- Coverage   80.11%   79.71%   -0.41%     
==========================================
  Files         240      240              
  Lines       11909    11924      +15     
  Branches     1166     1167       +1     
==========================================
- Hits         9541     9505      -36     
- Misses       1705     1756      +51     
  Partials      663      663              

Flag	Coverage Δ
backend	92.27% <97.05%> (-1.36%)	⬇️

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