Feature beta fixes
Created by: dimitriredp
This work features this 2 stories: https://oecd.plan.io/issues/19589 and https://oecd.plan.io/issues/19568.
For the first one, a new saga worker has been added in the upload module, that will simply trigger a reset of the upload state in store in case of any location change.
for the second story, the AgenciesTree
selector has been enhanced, defining sdmx code as label if none. Warning: when the selector will do this, it will also gives glamor class as className
prop allowing the customization of the blueprint child node.
The selector also features a fix in the hierarchy building