gcr: Fix logic in GcrImportButton when unlocking is going on
gcr: Fix logic in GcrImportButton when unlocking is going on

 * Don't show the spinner when no importers are ready even though
   initializing

Distrotech/gcr,stefwalter/gcr,Distrotech/gcr,stefwalter/gcr,Distrotech/gcr,stefwalter/gcr,Distrotech/gcr,stefwalter/gcr