bugfix ui issues
refactor store

Co-authored-by: fsdavid <daviti1@mail.com>
Co-authored-by: Xiao Gui <xgui3783@gmail.com>

Co-authored-by: fsdavid <daviti1@mail.com>

bugfix: version overlay

chore: deeper diagnosis

feat: allow subpath to be set (HOST_PATHNAME=/viewer)

chore: removed repeating code
feat: added dev banner
chore: removed unused css

chore: catchError catches more error
feat: smart placement of toggle persp and scale
bugfix: provide stream in catchErrors
bugfix: FF focusout not firing
bugfix: chrome complain expression changed after checked
bugfix: FF visual bug of layout browser icon

feat: first prototype of proxy fetching nifti

feat: unauthenticated user will look at release only data

feat: separate app nd server