Move open branch state storage in ObjectTree to static scope (refactor)#3297

hehoon wants to merge 1 commit intodevAliceO2Group/WebUi:devfrom

improvement/QCG/refactor-tree-class-browser-storage-to-static-scopeAliceO2Group/WebUi:improvement/QCG/refactor-tree-class-browser-storage-to-static-scopeCopy head branch name to clipboard