[entropy.db] EntropyRepositoryBase.__filterUse: add backward compatibility, if use flag is not listed, it's considered disabled

libraries/entropy/db/skel.py

@@ -4419,6 +4419,10 @@ class EntropyRepositoryBase(TextInterface, EntropyRepositoryPluginStore):
                 # mark it as disabled if it's not available
                 if en_use not in pkguse:
                     pkguse.add(use)
+            else:
+                # for compatibility reasons with older Entropy versions,
+                # use flags not in pkguse are considered disabled.
+                pkguse.add(use)
             disabled_use.add(use)
 
         enabled_not_satisfied = enabled_use - pkguse