fix clipping selection can create multiple notes for the same Url

sanitize was replacing '&' char to '&'and changing actual Url

src/services/html_sanitizer.js

@@ -1,4 +1,5 @@
 const sanitizeHtml = require('sanitize-html');
+const sanitizeUrl = require('@braintree/sanitize-url').sanitizeUrl;
 
 // intended mainly as protection against XSS via import
 // secondarily it (partly) protects against "CSS takeover"
@@ -48,5 +49,6 @@ function sanitize(dirtyHtml) {
 }
 
 module.exports = {
-    sanitize
+    sanitize,
+    sanitizeUrl
 };