* Provide `id`-aware DSL methods for `MessageChannelSpec` * Rework `DslIntegrationConfigurationInitializer` to delegate to `IntegrationFlowBeanPostProcessor` to allow to use components from `IntegrationFlowBuilder` via `@Autowired`
* Provide `id`-aware DSL methods for `MessageChannelSpec` * Rework `DslIntegrationConfigurationInitializer` to delegate to `IntegrationFlowBeanPostProcessor` to allow to use components from `IntegrationFlowBuilder` via `@Autowired`