add human readable error in case of httplib client-side error

.gitmodules

@@ -15,4 +15,4 @@
 	url = https://github.com/openmultiplayer/cmake-conan.git
 [submodule "lib/cpp-httplib"]
 	path = lib/cpp-httplib
-	url = https://github.com/ksenonadv/cpp-httplib.git
+	url = https://github.com/openmultiplayer/cpp-httplib.git

Server/Components/LegacyNetwork/legacy_network_impl.hpp

@@ -399,15 +399,8 @@ struct AnnounceHTTPResponseHandler final : HTTPResponseHandler
 		if (status != 200)
 		{
 			core->printLn("Couldn't announce legacy network to open.mp list.");
-			if (status < 100)
-			{
-				core->printLn("\t[HTTP Client Error] Status: %d", status);
-			}
-			else
-			{
-				core->printLn("\t[Server Error] Status: %d", status);
-				core->printLn("\t[Server Error] Message: %.*s", PRINT_VIEW(body));
-			}
+			core->printLn("\t[Server Error] Status: %d", status);
+			core->printLn("\t[Server Error] Message: %.*s", PRINT_VIEW(body));
 			core->printLn("This won't affect the server's behaviour.");
 		}
 		delete this;

Server/Source/core_impl.hpp

@@ -942,6 +942,10 @@ class HTTPAsyncIO
 		else
 		{
 			params->response = int(res.error());
+			if (params->response < 100)
+			{
+				params->body = httplib::detail::internal_error_to_string(res.error());
+			}
 		}
 
 		params->finished.store(true);