fix: Add helpers and HAPI tests for code delegations with type 4 transactions

[stoyanov-st]

Description:

Includes helper methods and HAPI tests including type 4 ethereum transactions

Related issue(s):

Fixes #23047

Notes for reviewer:

Checklist

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

[lfdt-bot]

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

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 602dc3f1	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (602dc3f)	Report Missing	Report Missing	Report Missing
Head commit (d7e931a)	94073	75414	80.17%

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 (#23269)	2	2	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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Footnotes

1. Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct. ↩

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@                         Coverage Diff                          @@
##             feature/hedera-evm-pectra-support   #23269   +/-   ##
====================================================================
  Coverage                                     ?   76.22%           
  Complexity                                   ?    23591           
====================================================================
  Files                                        ?     2537           
  Lines                                        ?    94258           
  Branches                                     ?    10059           
====================================================================
  Hits                                         ?    71848           
  Misses                                       ?    18745           
  Partials                                     ?     3665           

Files with missing lines	Coverage Δ	Complexity Δ
.../impl/exec/delegation/CodeDelegationProcessor.java	80.00% <100.00%> (ø)	19.00 <0.00> (?)

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[lukasz-hashgraph]

We're missing an assertion for this case.