
Added configuration for injecting default image properties using the interoperable image import process. This change adds 1 configuration option to the charm: - 'custom-import-properties' to specify the desired custom properties Note: current glance docs example shows incorrect quoting, the implemented format in this change (no quotes) is correct. Docs fix in: https://review.opendev.org/c/openstack/glance/+/890423 Release note: https://review.opendev.org/c/openstack/charm-guide/+/891010 Closes-Bug: 1994053 Related-Bug: 2028895 Change-Id: I9548c90e663285c6e7a70eebc8c135a5568974bc