Handle `max_fields` fallback differently

app/soapbox/features/edit_profile/index.js

@@ -29,11 +29,9 @@ const messages = defineMessages({
 
 const mapStateToProps = state => {
   const me = state.get('me');
-  const maxFields = state.getIn(['instance', 'pleroma', 'metadata', 'fields_limits', 'max_fields']) ?
-  state.getIn(['instance', 'pleroma', 'metadata', 'fields_limits', 'max_fields']) : state.getIn(['instance', 'pleroma', 'metadata', 'fieldsLimits', 'maxFields']);
   return {
     account: state.getIn(['accounts', me]),
-    maxFields: maxFields,
+    maxFields: state.getIn(['instance', 'pleroma', 'metadata', 'fields_limits', 'max_fields'], 4),
   };
 };
 

app/soapbox/reducers/instance.js

@@ -12,7 +12,9 @@ const nodeinfoToInstance = nodeinfo => {
         account_activation_required: nodeinfo.getIn(['metadata', 'accountActivationRequired']),
         features: nodeinfo.getIn(['metadata', 'features']),
         federation: nodeinfo.getIn(['metadata', 'federation']),
-        fieldsLimits: nodeinfo.getIn(['metadata', 'fieldsLimits']),
+        fields_limits: ImmutableMap({
+          max_fields: nodeinfo.getIn(['metadata', 'fieldsLimits', 'maxFields']),
+        }),
       }),
     }),
   });
@@ -32,9 +34,9 @@ const initialState = ImmutableMap({
 export default function instance(state = initialState, action) {
   switch(action.type) {
   case INSTANCE_FETCH_SUCCESS:
-    return initialState.merge(fromJS(action.instance));
+    return initialState.mergeDeep(fromJS(action.instance));
   case NODEINFO_FETCH_SUCCESS:
-    return nodeinfoToInstance(fromJS(action.nodeinfo)).merge(state);
+    return nodeinfoToInstance(fromJS(action.nodeinfo)).mergeDeep(state);
   default:
     return state;
   }