Revert IP update tweaks

Author: dragomirp

src/charm.py

@@ -1412,6 +1412,7 @@ def _on_config_changed(self, event) -> None:  # noqa: C901
             logger.debug("Defer on_config_changed: no peer relation")
             event.defer()
             return
+        self.update_endpoint_addresses()
 
         if not self.is_cluster_initialised:
             logger.debug("Defer on_config_changed: cluster not initialised yet")
@@ -1445,8 +1446,6 @@ def _on_config_changed(self, event) -> None:  # noqa: C901
             event.defer()
             return
 
-        self.update_endpoint_addresses()
-
         if self.is_blocked and "Configuration Error" in self.unit.status.message:
             self.set_unit_status(ActiveStatus())