UI: Confluence source connector - update settings field names (#555)

Author: Paul-Cornell

snippets/general-shared-text/confluence-platform.mdx

@@ -2,8 +2,9 @@ Fill in the following fields:
 
 - **Name** (_required_): A unique name for this connector.
 - **URL** (_required_): The target Confluence site's URL.
+- For username and password authentication: for **Authentication Method**, select **Username and Password**. Then enter the username into the **Username** field and the password into the **Password** field.
+- For API token authentication: for **Authentication Method**, select **Username and API Token**. Then enter the username into the **Username** field and the API token into the **API Token** field.
 - For personal access token (PAT) authentication: for **Authentication Method**, select **Personal Access Token**. Then enter the PAT into the **Personal Access Token** field.
-- For API token or password authentication: for **Authentication Method**, select **Password or API token**. Then enter the user's name or email address into the **Username** field and the API token or password into the **Password** field. Also, if you are using Confluence Cloud, check the **Cloud** box.
 - **Cloud**: Check this box if you are using Confluence Cloud. By default this box is unchecked.
 - **Max number of spaces**: The maximum number of Confluence spaces to access within the Confluence Cloud instance. 
   The default is 500 unless otherwise specified.