fix(text): handle recolor in lv_text_get_size (#8026)

src/misc/lv_text.c

@@ -118,7 +118,8 @@ void lv_text_get_size(lv_point_t * size_res, const char * text, const lv_font_t
         }
 
         /*Calculate the longest line*/
-        int32_t act_line_length = lv_text_get_width(&text[line_start], new_line_start - line_start, font, letter_space);
+        int32_t act_line_length = lv_text_get_width_with_flags(&text[line_start], new_line_start - line_start, font,
+                                                               letter_space, flag);
 
         size_res->x = LV_MAX(act_line_length, size_res->x);
         line_start  = new_line_start;

src/others/observer/lv_observer.c

@@ -430,6 +430,7 @@ void lv_obj_remove_from_subject(lv_obj_t * obj, lv_subject_t * subject)
      * `LV_EVENT_VALUE_CHANGED` event associated with `subject` in case
      * one of the `..._bind_value()` functions was used. */
     lv_obj_remove_event_cb_with_user_data(obj, NULL, subject);
+
 }
 
 void * lv_observer_get_target(lv_observer_t * observer)