Also allow mouse clicks to stop autowalk.

gui_fsm.cpp

@@ -415,6 +415,10 @@ namespace gui {
         [&](const sf::Event::KeyPressed &) {
           $autowalking = false;
           fmt::println("ABORT AUTOWALK");
+        },
+        [&](const sf::Event::MouseButtonPressed &) {
+          $autowalking = false;
+          fmt::println("ABORT AUTOWALK");
         }
     );