fix bug:

first user open file and connect to server but auth comes later
second user open file and connect to server and receive wait auth
first user receive connection state change and ignore this message because not auth

common/docscoapi.js

@@ -567,6 +567,7 @@
     this.isLicenseInit = false;
     this._locks = {};
     this._msgBuffer = [];
+    this._msgInputBuffer = [];
     this._lockCallbacks = {};
     this._lockCallbacksErrorTimerId = {};
     this._saveCallback = [];
@@ -917,6 +918,12 @@
     }
   };
 
+  DocsCoApi.prototype._applyPrebuffered = function () {
+    for (var i = 0; i < this._msgInputBuffer.length; ++i) {
+      this._msgInputBuffer[i]();
+    }
+    this._msgInputBuffer = [];
+  };
   DocsCoApi.prototype._sendPrebuffered = function() {
     for (var i = 0; i < this._msgBuffer.length; i++) {
       this._sendRaw(this._msgBuffer[i]);
@@ -1290,7 +1297,11 @@
   };
 
   DocsCoApi.prototype._onConnectionStateChanged = function(data) {
+    var t = this;
     if (!this.check_state()) {
+      this._msgInputBuffer.push(function () {
+        t._onConnectionStateChanged(data);
+      });
       return;
     }
     var userStateChanged = null, userId, stateChanged = false, isEditUser = true;
@@ -1367,6 +1378,9 @@
       this._onMessages(data, true);
       this._onGetLock(data);
 
+      //Apply prebuffered
+      this._applyPrebuffered();
+
       if (this._isReSaveAfterAuth) {
         var callbackAskSaveChanges = function(e) {
           if (false === e["saveLock"]) {
@@ -1415,6 +1429,9 @@
         this.onFirstLoadChangesEnd();
       }
 
+      //Apply prebuffered
+      this._applyPrebuffered();
+
       //Send prebuffered
       this._sendPrebuffered();
     }