[SYSTEMDS-3945] Support Reversal of Federation Map w/ differently sized federated partitions

[ywcb00]

This PR adds support for reversing a federation map that includes partitions of different sizes.
It also includes respective tests.

[codecov]

Codecov Report

❌ Patch coverage is 78.94737% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.31%. Comparing base (c2d0e5a) to head (e0e6fcd).

Files with missing lines	Patch %	Lines
...untime/controlprogram/federated/FederationMap.java	78.94%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2462      +/-   ##
============================================
+ Coverage     71.29%   71.31%   +0.02%     
- Complexity    48574    48584      +10     
============================================
  Files          1567     1567              
  Lines        188401   188413      +12     
  Branches      36980    36981       +1     
============================================
+ Hits         134325   134375      +50     
+ Misses        43630    43598      -32     
+ Partials      10446    10440       -6     

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