LibLine: Use AK::Time instead of gettimeofday for history entries

Author: https://github.com/ADKaster
Commit: https://github.com/LadybirdBrowser/ladybird/commit/88fb2b0c9ff
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3551
Reviewed-by: https://github.com/alimpfard ✅
Reviewed-by: https://github.com/shannonbooth

Libraries/LibLine/Editor.cpp

@@ -245,9 +245,8 @@ void Editor::add_to_history(ByteString const& line)
         return;
     if ((m_history.size() + 1) > m_history_capacity)
         m_history.take_first();
-    struct timeval tv;
-    gettimeofday(&tv, nullptr);
-    m_history.append({ line, tv.tv_sec });
+    auto now = UnixDateTime::now();
+    m_history.append({ line, now.seconds_since_epoch() });
     m_history_dirty = true;
 }