fix(style_api_gen.py): change lv_color_filter_cb_t to lv_color_filter_dsc_t (#2162)

and update the generated style header files

src/core/lv_obj_style_gen.h

@@ -550,7 +550,7 @@ static inline void lv_obj_set_style_opa(struct _lv_obj_t * obj, uint32_t part, u
 static inline void lv_obj_set_style_color_filter_dsc(struct _lv_obj_t * obj, uint32_t part, uint32_t state, const lv_color_filter_dsc_t * value)
 {
     lv_style_value_t v = {
-        .ptr = (void *)value
+        .ptr = value
     };
     lv_obj_set_local_style_prop(obj, part, state, LV_STYLE_COLOR_FILTER_DSC, v);
 }

src/misc/lv_style_gen.h

@@ -57,7 +57,7 @@ static inline void lv_style_set_opa(lv_style_t * style, lv_opa_t value)
 static inline void lv_style_set_color_filter_dsc(lv_style_t * style, const lv_color_filter_dsc_t * value)
 {
     lv_style_value_t v = {
-        .ptr = (void *)value
+        .ptr = value
     };
     lv_style_set_prop(style, LV_STYLE_COLOR_FILTER_DSC, v);
 }