Unify change log in what's new document

Author: Flanker32

CHANGELOG.md

@@ -78,7 +78,7 @@ All notable changes to "Azure Toolkit for IntelliJ IDEA" will be documented in t
   - Edit/Delete existing connections
   - Navigate to resource properties view of an existing connection
 - Support native proxy settings in IntelliJ
-- Add unified `Open In Portal` support for Web App/VM/Resource Group
+- Add unified `Open In Portal` support for Web App/VM/Resource Group in Azure explorer
 
 ### Changed
 - Enhance toolkit setting panel with more configuration

PluginsAndFeatures/azure-toolkit-for-intellij/resources/META-INF/plugin.xml

@@ -39,7 +39,7 @@
             <li>
                 Add unified
                 <code>Open In Portal</code>
-                support for Web App/VM/Resource Group
+                support for Web App/VM/Resource Group in Azure explorer
             </li>
         </ul>
         <h4>Changed</h4>