Dispatch on-disabled digests from consensus modules (#3055)

* on-disable primitives for engines

* dispatch on-disabled digests from SRML consensus

* bump runtime versions

* use find_map

substrate/node/runtime/src/lib.rs

@@ -71,9 +71,8 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	// and set impl_version to equal spec_version. If only runtime
 	// implementation changes and behavior does not, then leave spec_version as
 	// is and increment impl_version.
-
-	spec_version: 105,
-	impl_version: 105,
+	spec_version: 106,
+	impl_version: 106,
 	apis: RUNTIME_API_VERSIONS,
 };