[6.x] Reuse the nav tag's tree when a nav is output more than once - #15845

[6.x] Reuse the nav tag's tree when a nav is output more than once#15845

jasonvarga merged 10 commits into

statamic:6.xstatamic/cms:6.xfrom

DanielDarrenJones:perf/6x-nav-tree-reuseDanielDarrenJones/cms:perf/6x-nav-tree-reuseCopy head branch name to clipboard