Nav: Addendum: only set io.WantSetMousePos if necessary. (#1867)

imgui.cpp

@@ -3261,10 +3261,13 @@ static void ImGui::NavUpdate()
     {
         // Set mouse position given our knowledge of the navigated item position from last frame
         if ((g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableSetMousePos) && (g.IO.BackendFlags & ImGuiBackendFlags_HasSetMousePos))
+        {
+            if (!g.NavDisableHighlight && g.NavDisableMouseHover && g.NavWindow)
             {
                 g.IO.MousePos = g.IO.MousePosPrev = NavCalcPreferredRefPos();
                 g.IO.WantSetMousePos = true;
             }
+        }
         g.NavMousePosDirty = false;
     }
     g.NavIdIsAlive = false;