fix: clear tree selection on /top navigation and prevent stale markers (#1329)#1817

DukeDeSouth wants to merge 2 commits intoGreenstand:mainGreenstand/treetracker-web-map-client:mainfrom

DukeDeSouth:fix/issue-1329-tree-icon-stays-on-mapDukeDeSouth/treetracker-web-map-client:fix/issue-1329-tree-icon-stays-on-mapCopy head branch name to clipboard