Share multiple files at the time from sharing menu in other apps

Currently, Jami only appears as an option for sharing when there is a single file selected.

changed title from Share multiple files at the time from saring menu in other apps to Share multiple files at the time from sharing menu in other apps

added 1 deleted label

removed 1 deleted label

added BacklogLow label

assigned to @aberaud

added SprintTo review label

https://review.jami.net/c/jami-client-android/+/27684/4

https://review.jami.net/c/jami-client-android/+/27690/4

mentioned in commit 332b9665

mentioned in commit aa1fa596

closed

added good first issue label