Codechange: Replace story related FOR_ALL with range-based for loops

src/script/api/script_storypageelementlist.cpp

@@ -17,8 +17,7 @@ ScriptStoryPageElementList::ScriptStoryPageElementList(ScriptStoryPage::StoryPag
 {
 	if (!ScriptStoryPage::IsValidStoryPage(story_page_id)) return;
 
-	StoryPageElement *pe;
-	FOR_ALL_STORY_PAGE_ELEMENTS(pe) {
+	for (StoryPageElement *pe : StoryPageElement::Iterate()) {
 		if (pe->page == story_page_id) {
 			this->AddItem(pe->index);
 		}