(Suggestion) Ability to externalize configuration for `ExporterFor` (#2313)
* Ability to externalize configuration for `ExporterFor` (Replaced `BridgedNetworkId/SiblingBridgeHubLocation` with `Bridges: ExporterFor`) * Fix millau * Compile fix * Return back `BridgedNetworkId` but as optional filter * Replaced `BaseFee` with fees from inner `Bridges: ExporterFor` * typo