Stop using Sender/Receiver in TerminalInputParser. (#1073)

Stop using Sender/Receiver in TerminalInputParser.

This will help removing usage of thread.

At some point, my goal is to have an initialization step when installing
the ScreenInteractive so that we can provide the terminal ID
synchronously without losing some events. This will help with:
https://github.com/ArthurSonzogni/FTXUI/pull/1069

src/ftxui/component/component_fuzzer.cpp

@@ -2,6 +2,7 @@
 // Use of this source code is governed by the MIT license that can be found in
 // the LICENSE file.
 #include <cassert>
+#include <ftxui/component/event.hpp>
 #include <vector>
 #include "ftxui/component/component.hpp"
 #include "ftxui/component/terminal_input_parser.hpp"
@@ -212,16 +213,17 @@ extern "C" int LLVMFuzzerTestOneInput(const char* data, size_t size) {
   auto screen =
       Screen::Create(Dimension::Fixed(width), Dimension::Fixed(height));
 
-  auto event_receiver = MakeReceiver<Task>();
-  {
-    auto parser = TerminalInputParser(event_receiver->MakeSender());
-    for (size_t i = 0; i < size; ++i)
-      parser.Add(data[i]);
+  // Generate some events.
+  std::vector<Event> events;
+  auto parser =
+      TerminalInputParser([&](const Event& event) { events.push_back(event); });
+
+  for (size_t i = 0; i < size; ++i) {
+    parser.Add(data[i]);
   }
 
-  Task event;
-  while (event_receiver->Receive(&event)) {
-    component->OnEvent(std::get<Event>(event));
+  for (const auto& event : events) {
+    component->OnEvent(event);
     auto document = component->Render();
     Render(screen, document);
   }