Share Dialog does not require Login or any extended permissions

Currently user have to have an active session with Facebook plugin to use **"Share Dialog"**, but Facebook documentation suggest *". This does not require Facebook Login or any extended permissions, so it is the easiest way to enable sharing on web."*

This Change just request an active session when developer execute a showDialog different than a share dialog

platforms/android/src/org/apache/cordova/facebook/ConnectPlugin.java

@@ -358,11 +358,6 @@ public void onCompleted(GraphUser user, Response response) {
             callbackContext.success();
             return true;
         } else if (action.equals("showDialog")) {
-            Session session = Session.getActiveSession();
-            if (!checkActiveSession(session)) {
-                callbackContext.error("No active session");
-                return true;
-            }
             Bundle collect = new Bundle();
             JSONObject params = null;
             try {
@@ -391,6 +386,17 @@ public void onCompleted(GraphUser user, Response response) {
                 }
             }
             this.paramBundle = new Bundle(collect);
+
+            //The Share dialog prompts a person to publish an individual story or an Open Graph story to their timeline.
+            //This does not require Facebook Login or any extended permissions, so it is the easiest way to enable sharing on web.
+            boolean isShareDialog = this.method.equalsIgnoreCase("share") || this.method.equalsIgnoreCase("share_open_graph");
+            if (!isShareDialog) {
+                Session session = Session.getActiveSession();
+                if (!checkActiveSession(session)) {
+                    callbackContext.error("No active session");
+                    return true;
+                }
+            }
 
             // Begin by sending a callback pending notice to Cordova
             showDialogContext = callbackContext;