Only explicitely include Qt6 on Silverblue

This is needed for CSD with GNOME. On other variants, this is pulled as
a dependency as needed.

comps-sync-exclude-list.yml

@@ -111,6 +111,11 @@ exclude_list:
     - plocate
     # Included explicitly in the fedora.yaml manifest
     - toolbox
+    # Only needed for CSD support with GNOME on Silverblue
+    - qt6-qtbase
+    - qt6-qtbase-gui
+    - qt6-qtdeclarative
+    - qt6-qtwayland-adwaita-decoration
   firefox:
     # Included explicitly in the fedora.yaml manifest
     - fedora-bookmarks

silverblue-common.yaml

@@ -37,6 +37,11 @@ packages:
   # Needed for GSConnect extension
   # See: https://github.com/fedora-silverblue/issue-tracker/issues/201
   - openssl
+  # Manually included for CSD support with GNOME on Silverblue
+  - qt6-qtbase
+  - qt6-qtbase-gui
+  - qt6-qtdeclarative
+  - qt6-qtwayland-adwaita-decoration
 
 postprocess:
   # Skip Third Party Software page in GNOME Initial Setup as it currently does