rabbit_feature_flags: Fix style

Author: dumbbell

deps/rabbit/src/rabbit_feature_flags.erl

@@ -744,7 +744,7 @@ get_stability(FeatureName) when is_atom(FeatureName) ->
         undefined    -> undefined;
         FeatureProps -> get_stability(FeatureProps)
     end;
-get_stability(FeatureProps) when  ?IS_FEATURE_FLAG(FeatureProps) ->
+get_stability(FeatureProps) when ?IS_FEATURE_FLAG(FeatureProps) ->
     maps:get(stability, FeatureProps, stable);
 get_stability(FeatureProps) when ?IS_DEPRECATION(FeatureProps) ->
     Phase = rabbit_deprecated_features:get_phase(FeatureProps),

deps/rabbit/src/rabbit_ff_controller.erl

@@ -888,12 +888,14 @@ enable_many(#{states_per_node := _} = Inventory, FeatureNames) ->
       Ret :: ok | {error, Reason},
       Reason :: term().
 
-enable_many_locked(#{states_per_node := _} = Inventory, [FeatureName | Rest]) ->
+enable_many_locked(
+  #{states_per_node := _} = Inventory, [FeatureName | Rest]) ->
     case enable_if_supported(Inventory, FeatureName) of
         {ok, Inventory1} -> enable_many_locked(Inventory1, Rest);
         Error            -> Error
     end;
-enable_many_locked(_Inventory, []) ->
+enable_many_locked(
+  _Inventory, []) ->
     ok.
 
 -spec enable_if_supported(Inventory, FeatureName) -> Ret when