Implement `ContractStorageReadableKVState`

[bilyana-gospodinova]

Description: As part of the implementation for the reusable services we need to implement ContractStorageReadableKVState. It reads contract storage related data and converts slotValue to SlotValue PBJ type. This PR copies some changes from https://github.com/hashgraph/hedera-mirror-node/pull/9414 which is not merged yet.

Fixes https://github.com/hashgraph/hedera-mirror-node/issues/9254

Checklist

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

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.65217% with 1 line in your changes missing coverage. Please review.

Project coverage is 92.57%. Comparing base (50a5a7e) to head (cccccf8). Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
.../java/com/hedera/services/utils/EntityIdUtils.java	66.66%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #9450 +/- ## ========================================= Coverage 92.57% 92.57% - Complexity 7047 7056 +9 ========================================= Files 914 916 +2 Lines 29831 29890 +59 Branches 3773 3773 ========================================= + Hits 27616 27672 +56 - Misses 1445 1446 +1 - Partials 770 772 +2 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud