feat: MOP ancestor search & DeGen

[lpetrovic05]

closes #22237

[lfdt-bot]

✅ Snyk checks have passed. No issues have been found so far.

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✅	Open Source Security	0	0	0	0	0 issues

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@             Coverage Diff              @@
##               main   #22316      +/-   ##
============================================
- Coverage     71.00%   70.98%   -0.03%     
+ Complexity    24755    24753       -2     
============================================
  Files          2709     2709              
  Lines        105698   105713      +15     
  Branches      11130    11132       +2     
============================================
- Hits          75047    75036      -11     
- Misses        26581    26604      +23     
- Partials       4070     4073       +3     

Files with missing lines	Coverage Δ	Complexity Δ
...m/swirlds/platform/consensus/AncestorIterator.java	95.18% <100.00%> (+0.81%)	16.00 <0.00> (+2.00)
...ain/java/com/swirlds/platform/consensus/DeGen.java	85.71% <100.00%> (-5.20%)	5.00 <2.00> (-1.00)

... and 12 files with indirect coverage changes

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.02% (target: -1.00%)	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (85f2e92)	105601	79071	74.88%
Head commit (f40d462)	105616 (+15)	79063 (-8)	74.86% (-0.02%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#22316)	19	19	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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