[OGUI-1863] Add dropdown with multiple save root as image extensions#3270

hehoon wants to merge 2 commits intodevAliceO2Group/WebUi:devfrom

improvement/QCG/OGUI-1863/add-dropdown-with-multiple-file-extensionsAliceO2Group/WebUi:improvement/QCG/OGUI-1863/add-dropdown-with-multiple-file-extensionsCopy head branch name to clipboard