Adapt member file browser capture tests to snapshot APIs

tools/chatgui/tests/test_member_files_browser.cpp

@@ -57,6 +57,23 @@ extern "C" void gui_bridge_post_uasync_fn(void (*function)(void*), void* arg) {
     if (function == member_files_gui_cancel) cancelled.append(((mf_cancel_request*)arg)->id);
     u_free(arg);
 }
+extern "C" int gui_bridge_member_files_request(uint64_t group, uint64_t server, const mf_message* message) {
+    if (!ready) return -1;
+    mf_gui_request request{}; request.group = group; request.server = server; request.message = *message;
+    if (message->command == MF_QUOTA) quotaCaptured = request;
+    else captured = request;
+    if (requestStarted) requestStarted(request);
+    return 0;
+}
+extern "C" int gui_bridge_member_files_transfer(const mf_transfer_request* request) {
+    if (!ready) return -1;
+    transfers.append(*request); if (transferStarted) transferStarted(*request);
+    return 0;
+}
+extern "C" int gui_bridge_member_files_cancel(uint64_t id) {
+    if (!ready) return -1;
+    cancelled.append(id); return 0;
+}
 
 static void answerDialog(int result) {
     QTimer::singleShot(0, [result] {