TypingSelect: always enable nav highlight.

Otherwise in non multi-select contexts as nav dosn't automatically select result would not always be visible.

imgui_internal.h

@@ -3016,6 +3016,7 @@ namespace ImGui
     IMGUI_API void          NavMoveRequestApplyResult();
     IMGUI_API void          NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags);
     IMGUI_API void          NavClearPreferredPosForAxis(ImGuiAxis axis);
+    IMGUI_API void          NavRestoreHighlightAfterMove();
     IMGUI_API void          NavUpdateCurrentWindowIsScrollPushableX();
     IMGUI_API void          SetNavWindow(ImGuiWindow* window);
     IMGUI_API void          SetNavID(ImGuiID id, ImGuiNavLayer nav_layer, ImGuiID focus_scope_id, const ImRect& rect_rel);