change Event can_clear to clear

make this a bit more general, that it can be used for more then only can

client/simulator_base.cpp

@@ -1059,5 +1059,5 @@ void Simulator_base::setup_can_ui(QWidget *item, size_t index)
                 m_web_socket->send_event(Web_socket_wrapper::Event::can_send, index, id, dlc, payload);
             });
     connect(can, &Can_Transceive::can_clear, this,
-            [=, this] { m_web_socket->send_event(Web_socket_wrapper::Event::can_clear, index); });
+            [=, this] { m_web_socket->send_event(Web_socket_wrapper::Event::clear, index); });
 }

client/web_socket_wrapper.cpp

@@ -77,7 +77,7 @@ void Web_socket_wrapper::send_event(Event e, size_t id)
     switch (e)
     {
     case Event::clicked:
-    case Event::can_clear:
+    case Event::clear:
         j["event"]["id"] = id;
         m_web_socket->sendTextMessage(QString(j.dump().data()));
         break;

client/web_socket_wrapper.hpp

@@ -27,7 +27,7 @@ class Web_socket_wrapper : public QObject
         text_changed,
         selected,
         can_send,
-        can_clear,
+        clear,
         ui_changed,
         end,
         begin = 0