Fix: handle very old date strings in correspondent list

[shamoon]

Proposed change

Certainly an esoteric bug:

1. Have a timezone set (I think any)
2. Use a very old date on a doc e.g. 1833-01-01T00:00:00+00:34:08 in the example
3. Make sure that it is the most recent doc for that correspondent
4. Open the management list

Its actually very similar to #818

Fixes #3944

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (please explain):

Checklist:

• I have read & agree with the contributing guidelines.
• If applicable, I have included testing coverage for new code in this PR, for backend and / or front-end changes.
• If applicable, I have tested my code for new features & regressions on both mobile & desktop devices, using the latest version of major browsers.
• If applicable, I have checked that all tests pass, see documentation.
• I have run all pre-commit hooks, see documentation.
• I have made corresponding changes to the documentation as needed.
• I have checked my modifications for any breaking changes.

[codecov]

Codecov Report

Merging #3953 (421e78a) into dev (b961df9) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##              dev    #3953   +/-   ##
=======================================
  Coverage   95.26%   95.27%           
=======================================
  Files         335      335           
  Lines       12724    12729    +5     
  Branches     1047     1049    +2     
=======================================
+ Hits        12122    12127    +5     
  Misses        597      597           
  Partials        5        5           

Flag	Coverage Δ
backend	94.09% <ø> (ø)
frontend	96.67% <100.00%> (+<0.01%)	⬆️

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Files Changed	Coverage Δ
...correspondent-list/correspondent-list.component.ts	100.00% <100.00%> (ø)

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[github-actions]

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