chore: Implement RekeyScenarioOp

[tinker-michaelj]

Description:

• Closes Add embedded @HapiTest support for simulating TSS transactions from other nodes #16309

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.02% (target: -1.00%)	✅ 99.46%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (420eee2)	96373	62707	65.07%
Head commit (2a9da86)	96364 (-9)	62678 (-29)	65.04% (-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 (#16407)	185	184	99.46%

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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[codecov]

Codecov Report

Attention: Patch coverage is 98.91892% with 2 lines in your changes missing coverage. Please review.

Project coverage is 63.30%. Comparing base (420eee2) to head (2a9da86).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
...app/workflows/handle/steps/StakePeriodChanges.java	94.28%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #16407      +/-   ##
=============================================
- Coverage      63.32%   63.30%   -0.03%     
+ Complexity     20060    20057       -3     
=============================================
  Files           2523     2523              
  Lines          93554    93545       -9     
  Branches        9802     9798       -4     
=============================================
- Hits           59244    59217      -27     
- Misses         30709    30729      +20     
+ Partials        3601     3599       -2     

Files with missing lines	Coverage Δ
...ervice/addressbook/impl/ReadableNodeStoreImpl.java	100.00% <ø> (ø)
...ode/app/service/addressbook/ReadableNodeStore.java	0.00% <ø> (ø)
...a/com/hedera/node/app/info/GenesisNetworkInfo.java	75.00% <100.00%> (ø)
...ava/com/hedera/node/app/info/StateNetworkInfo.java	69.69% <ø> (ø)
...va/com/hedera/node/app/tss/TssBaseServiceImpl.java	62.50% <100.00%> (+0.68%)	⬆️
...om/hedera/node/app/tss/TssCryptographyManager.java	100.00% <100.00%> (ø)
...edera/node/app/tss/handlers/TssMessageHandler.java	100.00% <100.00%> (ø)
...ava/com/hedera/node/app/tss/handlers/TssUtils.java	97.56% <100.00%> (+0.26%)	⬆️
...dera/node/app/workflows/handle/HandleWorkflow.java	82.30% <100.00%> (ø)
...pl/handlers/staking/EndOfStakingPeriodUpdater.java	100.00% <100.00%> (ø)
... and 4 more

... and 19 files with indirect coverage changes

[rbarkerSL]

Applies to:

• hedera-node/test-clients/build.gradle.kts
• hedera-node/test-clients/src/main/java/module-info.java

[Neeharika-Sompalli]

Most changes are making the code more readable. Thanks for the comments in the staking code.
LGTM! Thanks @tinker-michaelj