more conststent check for peer restrictions

src/views/messages-view.jsx

@@ -45,6 +45,14 @@ function isUnconfirmed(acs) {
   return false;
 }
 
+function isPeerRestricted(acs) {
+  if (acs) {
+    const ms = acs.getMissing() || '';
+    return acs.isJoiner('want') && (ms.includes('R') || ms.includes('W'));
+  }
+  return false;
+}
+
 class MessagesView extends React.Component {
   constructor(props) {
     super(props);
@@ -211,9 +219,9 @@ class MessagesView extends React.Component {
         }
 
         const peer = topic.p2pPeerDesc();
-        if (peer && peer.acs) {
+        if (peer) {
           Object.assign(nextState, {
-            peerMessagingDisabled: !(peer.acs.isReader('given') && peer.acs.isWriter('given'))
+            peerMessagingDisabled: isPeerRestricted(peer.acs)
           });
         } else if (prevState.peerMessagingDisabled) {
           Object.assign(nextState, {
@@ -350,9 +358,9 @@ class MessagesView extends React.Component {
       });
       const newState = {onlineSubs: subs};
       const peer = topic.p2pPeerDesc();
-      if (peer && peer.acs) {
+      if (peer) {
         Object.assign(newState, {
-          peerMessagingDisabled: !(peer.acs.isReader('given') && peer.acs.isWriter('given'))
+          peerMessagingDisabled: isPeerRestricted(peer.acs)
         });
       } else if (this.state.peerMessagingDisabled) {
         Object.assign(newState, {