Make the 'definitions reloading' not also delete all other loaded dat… (#875)
Make the 'definitions reloading' not also delete all other loaded dat… (#875)

* Make the 'definitions reloading' not also delete all other loaded datasets.

Co-authored-by: kwahlin <4c749e1d57a062d03ee39dc809075ff0f7db68d9@users.noreply.github.com>
libris/librisxl,libris/librisxl,libris/librisxl