fix: FIT-733: Process images in templates

[luarmr]

3rd try @caitlinwheeless

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.86%. Comparing base (e6d0e60) to head (3fa8761).
⚠️ Report is 2 commits behind head on develop.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8523       +/-   ##
============================================
+ Coverage    67.18%   79.86%   +12.67%     
============================================
  Files          780      237      -543     
  Lines        59558    21173    -38385     
  Branches     10136        0    -10136     
============================================
- Hits         40012    16909    -23103     
+ Misses       19543     4264    -15279     
+ Partials         3        0        -3     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	79.86% <ø> (-0.04%)	⬇️

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