fix(jira) Sometimes jira instances go away (#13856)
fix(jira) Sometimes jira instances go away (#13856)

Sometimes users delete their jira instances, or don't have any projects
and then try to use our integration. When this happens we can't fetch
a list of projects.

Fixes SENTRY-AGQ
mvaled/sentry,beeftornado/sentry,mvaled/sentry,mvaled/sentry,beeftornado/sentry,mvaled/sentry,mvaled/sentry,mvaled/sentry,beeftornado/sentry