Fix case where setState and store trigger only result in one render

lib/src/component_declaration/flux_component.dart

@@ -175,7 +175,7 @@ abstract class _FluxComponentMixin<TProps extends FluxUiProps> implements Batche
     });
   }
 
-  void componentDidUpdate(Map prevProps, Map prevState) {
+  void componentWillReceiveProps(Map prevProps) {
     // Let BatchedRedraws know that this component has redrawn in the current batch
     didBatchRedraw = true;
   }

test/over_react/component_declaration/flux_component_test.dart

@@ -210,6 +210,31 @@ void main() {
       expect(nested1.renderCount, 3, reason: 'should have rerendered once in response to the store triggering');
       expect(nested2.renderCount, 3, reason: 'should have rerendered once in response to the store triggering');
     });
+
+    test('redraws twice in response to a the component calling setState and a store trigger happening at the same time', () async {
+      var store = new Store();
+
+      TestNestedComponent nested0;
+
+      render(
+          (TestNested()
+            ..store = store
+            ..ref = (ref) { nested0 = ref; }
+          )()
+      );
+      expect(nested0.renderCount, 1, reason: 'setup check: initial render');
+
+      nested0.setState({});
+      store.trigger();
+      // Two async gaps just to be safe, since we're
+      // asserting that additional redraws don't happen.
+      await nextTick();
+      await nextTick();
+
+      expect(nested0.renderCount, 3,
+          reason: 'should have rerendered once in response to the store triggering'
+                  ' and once in response to setState');
+    });
   });
 }