Merge branch 'mjog/991-gcr-critical' into 'gnome-3-38'
Fix GCR critical
Closes #991 (closed)
See merge request !583 (merged)
(cherry picked from commit 13f56024)
7f7c55e7 Application.CertificateManager: Fix critical when no GCR trust stores 0475d29f Application.CertificateManager: Warn when GCR not able to access stores