aptos: tolerate raw OCR transmitter accounts

[cawthorne]

Summary

• tolerate raw Aptos OCR transmitter account encodings in the capabilities registry decoder
• preserve hex decoding for existing hex-form transmitters
• add coverage for both forms

Why

The merged Aptos consensus-backed read capability depends on OCR config handling during worker startup. Local CRE Aptos runs can still emit raw transmitter account bytes here, so strict hex-only decoding breaks capability startup before reads can execute.

Testing

• GOWORK=off go test ./pkg/loop/internal/core/services/capability -run "TestCapabilitiesRegistry|TestTransmitterAccountToBytes" -count=1

[github-actions]

📊 API Diff Results

No changes detected for module github.com/smartcontractkit/chainlink-common

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[Copilot]

Pull request overview

This PR updates the capabilities registry OCR3 transmitter decoding to accept both hex-encoded accounts (including 0x/0X-prefixed forms) and raw transmitter account bytes, preventing Aptos OCR startup failures when raw bytes are emitted.

Changes:

• Add tolerant OCR3 transmitter decoding via transmitterAccountToBytes (supports 0x/0X prefix, preserves existing unprefixed hex behavior, falls back to raw bytes).
• Update ConfigForCapability to use the new transmitter decoding helper.
• Add unit tests covering prefixed hex decoding, invalid prefixed hex errors, and raw-byte fallback.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
pkg/loop/internal/core/services/capability/capabilities_registry.go	Introduces tolerant transmitter decoding and wires it into OCR3 config serialization.
pkg/loop/internal/core/services/capability/capabilities_registry_test.go	Adds unit tests for the new transmitter decoding behavior.

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[ilija42]

After looking at the surrounding code and git history, I'm not sure why we can't just leave the same decoding, why are we passing differently formatted address in now?