Change the message of "error.consumption.validation.inheritedFromItem" when using canCreate

[RuthDiG]

Readiness checklist

• I added/updated tests.
• I ensured that the PR title is good enough for the changelog.
• I labeled the PR.

[codecov]

Codecov Report

Attention: Patch coverage is 58.33333% with 5 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...es/requests/outgoing/OutgoingRequestsController.ts	16.66%	5 Missing ⚠️

Files with missing lines	Coverage Δ
...nsumption/src/consumption/ConsumptionCoreErrors.ts	80.11% <100.00%> (+0.23%)	⬆️
...consumption/src/modules/common/ValidationResult.ts	100.00% <100.00%> (ø)
...es/requests/outgoing/OutgoingRequestsController.ts	83.77% <16.66%> (-1.02%)	⬇️