libgs_plugin_snap.so segfault when running snap-store without network

[Bin Li]

On 22.04 we found this issue, snap-store is 41.3-64-g512c0ff.

Oct 19 00:48:00 Neo50a-2 snap-store[2449]: not handling error failed for action get-featured: persistent network error: Get https://api.snapcraft.io/v2/snaps/find?architecture=amd64&category=featured&confinement=strict%2Cclassic&fields=base%2Cconfinement%2Ccontact%2Cdescription%2Cdownload%2Clicense%2Cprices%2Cprivate%2Cpublisher%2Crevision%2Csummary%2Ctitle%2Ctype%2Cversion%2Cwebsite%2Cstore-url%2Cmedia%2Ccommon-ids%2Cchannel: dial tcp: lookup api.snapcraft.io: Temporary failure in name resolution
Oct 19 00:48:00 Neo50a-2 PackageKit[1413]: resolve transaction /33_aceeedcc from uid 1001 finished with success after 138ms

Oct 19 00:48:00 Neo50a-2 snap-store[2449]: Only 7 apps for popular list, hiding
Oct 19 00:48:01 Neo50a-2 PackageKit[1413]: resolve transaction /34_cabeedcc from uid 1001 finished with success after 135ms

Oct 19 00:48:19 Neo50a-2 geoclue[1412]: Service not used for 60 seconds. Shutting down..
Oct 19 00:48:19 Neo50a-2 systemd[1]: geoclue.service: Deactivated successfully.
Oct 19 00:48:21 Neo50a-2 kernel: pool-org.gnome.[2827]: segfault at 8 ip 00007fd09188b239 sp 00007fd06aed2570 error 4 in libgs_plugin_snap.so[7fd091885000+16000]
Oct 19 00:48:21 Neo50a-2 kernel: Code: 89 c7 e8 ac f8 ff ff 48 89 45 d8 48 8b 55 a8 48 8b 4d d8 48 8b 45 b8 48 89 ce 48 89 c7 e8 ce fc ff ff 83 45 c4 01 48 8b 45 c8 <8b> 40 08 39 45 c4 72 90 bb 01 00 00 00 48 8d 45 c8 48 89 c7 e8 89
Oct 19 00:48:21 Neo50a-2 systemd[1788]: snap.snap-store.ubuntu-software.ff8cd38b-fa6c-4fd5-9996-ca8ebc0bb554.scope: Consumed 4.476s CPU time.