Unbreak styling of message box label

CHANGELOG.md

@@ -16,7 +16,7 @@ If a change only affects particular applications, they are listed in parentheses
 - feat(buffyboard): Allow disabling input devices via config
 - feat(buffyboard): Add CLI flags for overriding geometry & DPI
 - fix(unl0kr): Shutdown message box doesn't close on decline
-- fix(unl0kr): Shutdown message box buttons are unstyled
+- fix(unl0kr): Shutdown message box buttons and label are unstyled
 - fix(unl0kr): Build fails when DRM is disabled
 - misc: Update lvgl to git master (2023-03-30)
 

shared/theme.c

@@ -285,8 +285,11 @@ static void apply_theme_cb(lv_theme_t *theme, lv_obj_t *obj) {
         return;
     }
 
-    if (lv_obj_check_type(obj, &lv_label_class) && (lv_obj_check_type(lv_obj_get_parent(obj), &lv_msgbox_class) || lv_obj_check_type(lv_obj_get_parent(obj), &lv_msgbox_content_class))) {
-        lv_obj_add_style(obj, &(styles.msgbox_label), 0);
+    if (lv_obj_check_type(obj, &lv_label_class) &&
+            (lv_obj_check_type(lv_obj_get_parent(obj), &lv_msgbox_class)
+             || lv_obj_check_type(lv_obj_get_parent(obj), &lv_msgbox_header_class)
+             || lv_obj_check_type(lv_obj_get_parent(obj), &lv_msgbox_content_class)))
+    {
         return; /* Inherit styling from message box */
     }