src/vs/workbench/common/editor/editorGroupModel.ts/EditorGroupModel/getEditors
class EditorGroupModel:	getEditors(order: EditorsOrder, options?: { excludeSticky?: boolean }): EditorInput[] {
		const editors = order === EditorsOrder.MOST_RECENTLY_ACTIVE ? this.mru.slice(0) : this.editors.slice(0);

		if (options?.excludeSticky) {

			// MRU: need to check for index on each
			if (order === EditorsOrder.MOST_RECENTLY_ACTIVE) {
				return editors.filter(editor => !this.isSticky(editor));
			}

			// Sequential: simply start after sticky index
			return editors.slice(this.sticky + 1);
		}

		return editors;
	}