Nav: Using CTRL+TAB / PadFocusNext/Prev to Focus a window closes the previous window popups. (#787)

imgui.cpp

@@ -2832,6 +2832,7 @@ static void ImGui::NavUpdateWindowing()
         g.NavDisableHighlight = false;
         g.NavDisableMouseHover = true;
         apply_focus_window = NavRestoreLastChildNavWindow(apply_focus_window);
+        CloseInactivePopups(apply_focus_window);
         FocusWindow(apply_focus_window);
         if (apply_focus_window->NavLastIds[0] == 0)
             NavInitWindow(apply_focus_window, false);