Implement IUnitHandler::notifyProgramListChange

With this IUnitHandler has been fully implemented.

src/common/logging/vst3.cpp

@@ -710,6 +710,17 @@ bool Vst3Logger::log_request(
     });
 }
 
+bool Vst3Logger::log_request(
+    bool is_host_vst,
+    const YaUnitHandler::NotifyProgramListChange& request) {
+    return log_request_base(is_host_vst, [&](auto& message) {
+        message << request.owner_instance_id
+                << ": IUnitHandler::notifyProgramListChange(listId = "
+                << request.list_id
+                << ", programIndex = " << request.program_index << ")";
+    });
+}
+
 void Vst3Logger::log_response(bool is_host_vst, const Ack&) {
     log_response_base(is_host_vst, [&](auto& message) { message << "ACK"; });
 }