Don't search note by url if url begins with 'about:'

src/routes/api/clipper.js

@@ -16,6 +16,8 @@ const htmlSanitizer = require('../../services/html_sanitizer');
 const {formatAttrForSearch} = require("../../services/attribute_formatter");
 
 function findClippingNote(clipperInboxNote, pageUrl) {
+    //Avoid searching for empty of browser pages like about:blank
+    if (pageUrl.trim().length > 1 && pageUrl.trim().indexOf('about:') != 0 ){
         const notes = clipperInboxNote.searchNotesInSubtree(
             formatAttrForSearch({
                 type: 'label',
@@ -29,6 +31,7 @@ function findClippingNote(clipperInboxNote, pageUrl) {
                 return note;
             }
         }
+    }
 
     return null;
 }