Fix a truly silly mistake in rpc.js and make the pad-not-pinned message get removed if a registered user joins

rpc.js

@@ -540,9 +540,8 @@ var addPinned = function (
 {
     Env.evPinnedPadsReady.reg(() => {
         channelList.forEach((c) => {
-            const x = Env.pinnedPads[c];
-            if (!x) { return; }
-            delete x[publicKey];
+            const x = Env.pinnedPads[c] = Env.pinnedPads[c] || {};
+            x[publicKey] = 1;
         });
         cb();
     });

www/common/toolbar3.js

@@ -719,7 +719,7 @@ define([
         return $titleContainer;
     };
 
-    var createUnpinnedWarning = function (toolbar, config) {
+    var createUnpinnedWarning0 = function (toolbar, config) {
         if (Common.isLoggedIn()) { return; }
         var pd = config.metadataMgr.getPrivateData();
         var o = pd.origin;
@@ -728,7 +728,11 @@ define([
         var cid = Hash.hrefToHexChannelId(url);
         Common.sendAnonRpcMsg('IS_CHANNEL_PINNED', cid, function (x) {
             if (x.error || !Array.isArray(x.response)) { return void console.log(x); }
-            if (x.response[0] === true) { return; }
+            if (x.response[0] === true) {
+                $('.cp-pad-not-pinned').remove();
+                return;
+            }
+            if ($('.cp-pad-not-pinned').length) { return; }
             var pnpTitle = Messages._getKey('padNotPinned', ['','','','']);
             var pnpMsg = Messages._getKey('padNotPinned', [
                 '<a href="' + o + '/login" class="cp-pnp-login" target="blank" title>',
@@ -759,6 +763,13 @@ define([
         });
     };
 
+    var createUnpinnedWarning = function (toolbar, config) {
+        config.metadataMgr.onChange(function () {
+            createUnpinnedWarning0(toolbar, config);
+        });
+        createUnpinnedWarning0(toolbar, config);
+    };
+
     var createPageTitle = function (toolbar, config) {
         if (config.title || !config.pageTitle) { return; }
         var $titleContainer = $('<span>', {