[bandrivskiy]

Add BFA support and IFA issuance and inflation
Adds BFA and IFA support to the HTTP API while preserving external PSBT signing.

• Enable BFA through bfa_enabled = true and eth_rpc_url. Validate the configuration at startup and pass the EVM RPC to rgb-lib for consignment validation.
• Enable IFA automatically on every network except mainnet.
• Add /wallet/issueassetifa for issuance with optional inflation rights.
• Add /wallet/inflatebegin and /wallet/inflateend for additional issuance using the wallet’s inflation rights.
• Add /wallet/burnbegin and /wallet/burnend for BFA and IFA burns. BFA requires a hex-encoded, 32-byte burn_recipient.
• Add /wallet/getconsignment to retrieve send and burn consignments by asset ID and transaction ID.
• Pin rgb-lib to v0.3.0-beta.43-bfa, include its required RGB crate patches, and update error mappings, Swagger, README and changelog.

Compatibility

• /wallet/sendbegin now requires expiration_timestamp from the recipient invoice; use the earliest expiration for a batch.
• /wallet/blindreceive always creates expiring invoices. A null duration uses the default of one hour.
• Response models include the BFA asset group and updated transfer, assignment and UTXO fields.
• Library behavior is delegated directly to rgb-lib. Known issues involving repeated completion, mismatched completion methods and recipient-total overflow remain unresolved in the pinned library.