restore click_shop_rect until a better functionality is available

src/game/boe.dlgutil.cpp

@@ -233,12 +233,12 @@ void handle_shop_event(location p) {
 		item_help_rect.offset(talk_gword_offset_x, talk_gword_offset_y);
 
 		if(p.in(active_rect)) {
-			play_sound(37, time_in_ticks(5));
+			click_shop_rect(active_rect);
 			handle_sale(active_shop.getItem(what_picked), what_picked);
 			set_up_shop_array();
 			draw_shop_graphics(false, {});
 		} else if(p.in(item_help_rect)){
-			play_sound(37, time_in_ticks(5));
+			click_shop_rect(item_help_rect);
 			handle_info_request(active_shop.getItem(what_picked));
 		}
 	}

src/game/boe.newgraph.cpp

@@ -593,6 +593,15 @@ void do_explosion_anim(short /*sound_num*/,short special_draw, short snd) {
 			store_booms[i].boom_type = -1;
 }
 
+void click_shop_rect(rectangle area_rect) {
+
+	draw_shop_graphics(1,area_rect);
+	mainPtr.display();
+	play_sound(37, time_in_ticks(5));
+	draw_shop_graphics(0,area_rect);
+
+}
+
 graf_pos calc_item_rect(int num,rectangle& to_rect) {
 	if(num >= 1000) return spec_scen_g.find_graphic(num - 1000);
 	rectangle from_rect = {0,0,18,18};

src/game/boe.newgraph.hpp

@@ -56,6 +56,7 @@ void add_missile(location dest,miss_num_t missile_type,short path_type,short x_a
 void add_explosion(location dest,short val_to_place,short place_type,short boom_type,short x_adj,short y_adj);
 void do_missile_anim(short num_steps,location missile_origin,short sound_num) ;
 void do_explosion_anim(short sound_num,short expand,short snd = -1);
+void click_shop_rect(rectangle area_rect);
 void draw_shop_graphics(bool pressed,rectangle clip_area_rect);
 void refresh_shopping();
 std::string get_item_interesting_string(cItem item);