Set package excludes

The `_goal.add_remove` was not a correct way to exclude packages, since
dnf then just complained that the spec was not found and, therefore,
couldn't be removed.

pyanaconda/modules/payloads/payload/dnf/dnf_manager.py

@@ -591,8 +591,10 @@ def apply_specs(self, include_list, exclude_list):
             self._goal.add_install(spec)
 
         log.info("Excluding specs: %s", exclude_list)
-        for spec in exclude_list:
-            self._goal.add_remove(spec)
+        # FIXME: Make the excludes work also for groups. Right now, only packages are excluded.
+        excludes = libdnf5.rpm.PackageQuery(self._base)
+        excludes.filter_name(exclude_list, libdnf5.common.QueryCmp_GLOB)
+        self._base.get_rpm_package_sack().add_user_excludes(excludes)
 
     def resolve_selection(self):
         """Resolve the software selection."""

tests/unit_tests/pyanaconda_tests/modules/payloads/payload/test_module_payload_dnf5_manager.py

@@ -324,9 +324,7 @@ def test_resolve_missing_selection(self):
         report = self.dnf_manager.resolve_selection()
         assert report.error_messages == [
             'No match for argument: p1',
-            'No packages to remove for argument: p2',
             'No match for argument: g1',
-            'No groups to remove for argument: g2',
         ]
         assert report.warning_messages == []
 
@@ -347,9 +345,7 @@ def test_ignore_missing_packages(self):
         assert report.error_messages == []
         assert report.warning_messages == [
             'No match for argument: p1',
-            'No packages to remove for argument: p2',
             'No match for argument: g1',
-            'No groups to remove for argument: g2',
         ]
 
     @pytest.mark.skip("Not implemented")