chore: support override node admin keys

[tinker-michaelj]

Description:

• Cherry-pick chore: support node admin key overrides at startup #16496

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ 76.14%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (1b4339d)	97640	63764	65.31%
Head commit (70708f1)	97678 (+38)	63790 (+26)	65.31% (+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 (#16781)	88	67	76.14%

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 75.00000% with 22 lines in your changes missing coverage. Please review.

Project coverage is 63.59%. Comparing base (1b4339d) to head (70708f1).

Files with missing lines	Patch %	Lines
...rc/main/java/com/hedera/node/app/ServicesMain.java	0.00%	14 Missing ⚠️
...ddressbook/impl/schemas/V053AddressBookSchema.java	84.00%	3 Missing and 1 partial ⚠️
.../node/app/workflows/handle/record/SystemSetup.java	93.02%	3 Missing ⚠️
.../platform/config/internal/PlatformConfigUtils.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##             release/0.57   #16781   +/-   ##
===============================================
  Coverage           63.59%   63.59%           
- Complexity          20399    20416   +17     
===============================================
  Files                2547     2547           
  Lines               94875    94913   +38     
  Branches             9913     9916    +3     
===============================================
+ Hits                60335    60361   +26     
- Misses              30922    30934   +12     
  Partials             3618     3618           

Files with missing lines	Coverage Δ
...a/com/hedera/node/config/data/BootstrapConfig.java	100.00% <ø> (ø)
...om/hedera/node/config/data/NetworkAdminConfig.java	100.00% <ø> (ø)
...app/service/file/impl/schemas/V0490FileSchema.java	90.46% <100.00%> (-0.38%)	⬇️
.../platform/config/internal/PlatformConfigUtils.java	55.76% <0.00%> (ø)
.../node/app/workflows/handle/record/SystemSetup.java	91.46% <93.02%> (-0.03%)	⬇️
...ddressbook/impl/schemas/V053AddressBookSchema.java	94.44% <84.00%> (-2.11%)	⬇️
...rc/main/java/com/hedera/node/app/ServicesMain.java	27.55% <0.00%> (-2.11%)	⬇️

... and 17 files with indirect coverage changes

[Neeharika-Sompalli]

LGTM! Thanks @tinker-michaelj