fix(windows): resolve disappearing cursor after KVM switch (#4407)

src/video.cpp

@@ -1977,6 +1977,10 @@ namespace video {
       }
 
       session->request_normal_frame();
+
+      // While streaming check to see if the mouse is present and enable Mouse Keys to force the cursor to appear
+      // This is useful for KVM switch scenarios where mouse may disappear during streaming
+      platf::enable_mouse_keys();
     }
   }