RHV Image Discrepancies tool fails with KeyError

Issue

• RHV Image Discrepancies tool reported the below error for a template disk:

Checking storage domain 'Test_Volume03' (storage_doamin_id) from data-center Test, SPM is ABC
    Image 88888888-XXXX-XXXX
        Disk: 5555555-XXX-XXXX
        Attached to VM: Traceback (most recent call last):
    File "/usr/bin/rhv-image-discrepancies", line 418, in <module>
        problems = check_dumps(args.pool_uuid, args.storage_uuid)
    File "/usr/bin/rhv-image-discrepancies", line 376, in check_dumps
        sd_images, db_images, to_vds
    File "/usr/bin/rhv-image-discrepancies", line 305, in report_image_discrepancies
        sd_images
    File "/usr/bin/rhv-image-discrepancies", line 177, in print_img
        vds = to_vds[vm]
    KeyError: 'CentOS8.2-v20200611'