feat: implement hss sign schedule function

[lukelee-sl]

Description:
Implements the signSchedule proxy contract function and the authorizeSchedule function for the Schedule system contract.

Related issue(s):

Fixes #16700

Notes for reviewer:
A future pr will add additional BDD and unit test.

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[codecov]

Codecov Report

Attention: Patch coverage is 72.04301% with 26 lines in your changes missing coverage. Please review.

Project coverage is 63.61%. Comparing base (32089ae) to head (24aa9e2).
Report is 7 commits behind head on develop.

Files with missing lines	Patch %	Lines
...racts/hss/signschedule/SignScheduleTranslator.java	66.07%	14 Missing and 5 partials ⚠️
...mcontracts/hss/DispatchForResponseCodeHssCall.java	92.00%	1 Missing and 1 partial ⚠️
...rvice/contract/impl/exec/TransactionProcessor.java	66.66%	0 Missing and 1 partial ⚠️
.../impl/exec/scope/HandleHederaNativeOperations.java	0.00%	1 Missing ⚠️
...mpl/exec/scope/HandleSystemContractOperations.java	0.00%	1 Missing ⚠️
...ntract/impl/exec/scope/HederaNativeOperations.java	0.00%	1 Missing ⚠️
...ec/systemcontracts/common/AbstractCallAttempt.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #16789      +/-   ##
=============================================
- Coverage      63.62%   63.61%   -0.02%     
- Complexity     20401    20418      +17     
=============================================
  Files           2537     2537              
  Lines          94757    94867     +110     
  Branches        9904     9918      +14     
=============================================
+ Hits           60288    60347      +59     
- Misses         30863    30906      +43     
- Partials        3606     3614       +8     

Files with missing lines	Coverage Δ
...orkflows/handle/dispatch/ChildDispatchFactory.java	91.30% <100.00%> (+0.86%)	⬆️
...a/com/hedera/node/config/data/ContractsConfig.java	100.00% <ø> (ø)
...p/service/contract/impl/exec/gas/DispatchType.java	100.00% <100.00%> (ø)
...impl/exec/scope/QuerySystemContractOperations.java	100.00% <100.00%> (ø)
...ract/impl/exec/scope/SystemContractOperations.java	100.00% <ø> (ø)
...t/impl/exec/systemcontracts/HssSystemContract.java	66.66% <ø> (ø)
.../contract/impl/state/DispatchingEvmFrameState.java	89.47% <ø> (ø)
...rvice/contract/impl/exec/TransactionProcessor.java	94.38% <66.66%> (+0.12%)	⬆️
.../impl/exec/scope/HandleHederaNativeOperations.java	92.30% <0.00%> (-2.43%)	⬇️
...mpl/exec/scope/HandleSystemContractOperations.java	95.12% <0.00%> (-2.38%)	⬇️
... and 4 more

... and 4 files with indirect coverage changes

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ 79.57%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (32089ae)	97522	63704	65.32%
Head commit (24aa9e2)	97632 (+110)	63771 (+67)	65.32% (+0.00%)

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 (#16789)	93	74	79.57%

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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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[stoyanov-st]

Overall LGTM, ty @lukelee-sl !
Left a few suggestions for improvement but all up to you

[stoyanov-st]

LGTM

[david-bakin-sl]

Will come back for tests (bdd) later. Some questions for now.

[david-bakin-sl]

LGTM (though there's still a question about simple keys remaining for completeness)

[david-bakin-sl]

LGTM with new solution for 'forwarding" simple keys

[tinker-michaelj]

LGTM, tyvm @lukelee-sl !