(js) Fix pasting images in CKEditor

Fixes #3986

NEWS

@@ -7,6 +7,7 @@ Enhancements
 Bug fixes
  - [core] remove all alarms before sending IMIP replies (#3925)
  - [web] fixed rendering of forwared HTML message with inline images (#3981)
+ - [web] fixed pasting images in CKEditor using Chrome (#3986)
 
 3.2.5 (2017-01-10)
 ------------------

UI/WebServerResources/js/vendor/ckeditor/ck.js

@@ -71,6 +71,15 @@
           });
         });
 
+        ck.on('paste', function(event) {
+          var html;
+          if (event.data.type == 'html') {
+            html = event.data.dataValue;
+            // Remove images to avoid ghost image in Firefox; images will be handled by the Image Upload plugin
+            event.data.dataValue = html.replace(/<img( [^>]*)?>/gi, '');
+          }
+        });
+
         // Intercept the request when an image is pasted, keep an inline base64 version only.
         ck.on('fileUploadRequest', function(event) {
           var data, img;