Flaky Hip1313EnabledTest

### Background

`Hip1313EnabledTest.mixedHighVolumeTxnsWorkAsExpectedForTopicCreateAndScheduleCreate()` fails with:

`org.opentest4j.AssertionFailedError: Given BPS before 107 and after 115, observed schedule create multiplier 4.0 does not match acceptable multipliers [4.48, 4.56, 4.64, 4.72, 4.8, 4.88, 4.96, 5.04, 5.12, 5.2, 5.28] with 16 txns allowed ==> expected: but was: |`

failing runs links:
https://github.com/hiero-ledger/hiero-consensus-node/actions/runs/22216559610/job/64261915758
https://github.com/hiero-ledger/hiero-consensus-node/actions/runs/22216740037/job/64262445550

### Acceptance Criteria

Stabilize the test

### Dependencies

_No response_

### Definition of Ready (DoR) Checklist

- [ ] Clear acceptance criteria
- [ ] Clear and detailed description
- [ ] Dependencies identified
- [ ] Links to documentation
- [ ] Should be completable in 2-3 Days
- [ ] Initial draft of Low-level design document
- [ ] At least high level test plan
- [ ] Groomed/Estimated

### Definition of Done (DoD) Checklist

- [ ] Acceptance Criteria complete
- [ ] No Codacy issues greater than minor (in new code)
- [ ] JavaDocs updated/created
- [ ] Code commented
- [ ] Unit tests created/updated
- [ ] 80% test code coverage (in new code)
- [ ] Happy Path and major negative cases in HAPI tests as applicable