XWIKI-20489: Upgrade to CKEditor 4.20.1

xwiki-platform-core/xwiki-platform-ckeditor/pom.xml

@@ -38,7 +38,7 @@
     <module>xwiki-platform-ckeditor-webjar</module>
   </modules>
   <properties>
-    <ckeditor.version>4.19.1</ckeditor.version>
+    <ckeditor.version>4.20.1</ckeditor.version>
 
     <!-- The path to the folder where we clone the CKEditor sources. -->
     <ckeditor.path>${project.build.directory}/ckeditor4-${ckeditor.version}</ckeditor.path>

xwiki-platform-core/xwiki-platform-ckeditor/xwiki-platform-ckeditor-ui/src/main/resources/CKEditor/EditSheet.xml

@@ -274,7 +274,8 @@
               '</div>',
               '<div class="ckeditor-autocomplete-item-hint">{hint}</div>',
             '</li>'].join(''),
-          outputTemplate: '<a href="{url}" data-reference="{typed}|-|{type}|-|{reference}">{label}</a><span> </span>',
+          outputTemplate: '<a href="{url}" data-reference="{typed}|-|{type}|-|{reference}">{label}</a>',
+          followingSpace: true,
           marker: '[',
           minChars: 0,
           itemsLimit: 6