Community: Allow using beta from push item

This commit changes the community workflow to enrich a push item with
"beta" if either the CLI argument `--beta` is passed or the incoming
push item release type is marked as `beta`.

Refers to SPSTRAT-367

src/pubtools/_marketplacesvm/tasks/community_push/command.py

@@ -300,11 +300,10 @@ def enrich_mapped_items(self, mapped_items: List[MappedVMIPushItem]) -> List[Enr
 
  pi = mapped_item.get_push_item_for_marketplace(storage_account)
  log.debug("Mapped push item for %s: %s", storage_account, pi)
+ beta = self.args.beta or str(pi.release.type) == "beta"
 
  for dest in destinations:
- epi = enrich_push_item(
- pi, dest, beta=self.args.beta, require_bc=self._REQUIRE_BC
- )
+ epi = enrich_push_item(pi, dest, beta=beta, require_bc=self._REQUIRE_BC)
  log.debug("Enriched push item for %s: %s", storage_account, epi)
 
  # SAP and RHEL-HA images are expected to be