rawhide: workaround temporary volid issue

We've been seeing failures in rawhide [1] because the full
word WorkstationOstree doesn't get matched properly in
pungi [2]. Let's workaround this issue until pungi gets
fixed.

[1] https://pagure.io/dusty/failed-composes/issue/2#comment-494497
[2] https://pagure.io/pungi/issue/840

Signed-off-by: Dusty Mabe <dusty@dustymabe.com>

fedora.conf

@@ -235,6 +235,8 @@ image_volid_formats = [
 # No special handling for layered products, use same format as for regular images
 image_volid_layered_product_formats = []
 # Replace 'Cloud' with 'C' in volume id etc.
+# '-Workstation-' is a temporary workaround. See
+# https://pagure.io/pungi-fedora/pull-request/525
 volume_id_substitutions = {
            'Atomic': 'AH',
           'Rawhide': 'rawh',
@@ -249,7 +251,7 @@ volume_id_substitutions = {
             'Games': 'Game',
           'Jam_KDE': 'Jam',
 'WorkstationOstree': 'WS',
-      'Workstation': 'WS',
+    '-Workstation-': '-WS-',
        'Everything': 'E',
            'Server': 'S',
             'Cloud': 'C',