[Bug] Sorting in Observables of a case does not work

[crackytsi]

Bug

Work Environment

Question	Answer
OS version (server)	Debian
OS version (client)	10
TheHive version / git hash	4 RC2
Package Type	DEB

Problem Description

In TheHive 4 there are still the sortable Icons for sorting Observables in a case, but these sort buttons doesn't work.

Possible Solutions

Make sort buttons sortable again if possible :)

[crackytsi]

Great to have that fixed :)