You see the behavior because "/libs/granite/omnisearch/content/metadata/inbox" is AEM internal area which should not be overlayed. On the other hand, "/libs/dam/gui/content/commons" is public area which can be overlayed. Read more about this at [1] [1] https://docs.adobe.com/content/help/en/experien...

Do you see any error in the Developer console? Also, check error.log for any errors when performing these steps 

Either you can create the index for the query using the oakutils tool or update the traversal limit from [2] NOTE: Increasing the traversal limit might lead to high memory usage. [1] http://oakutils.appspot.com/generate/index [2] http://<host>:<port>/system/console/jmx/org.apache.jackrabbit.oak%3Ana...

I believe you need to use the "allowedTemplate" property. Check the "Template Availability" caution at [1] https://docs.adobe.com/content/help/en/experience-manager-65/developing/platform/templates/templates.html

Can you try enabling the tunnel service? steps at [1] [1] https://helpx.adobe.com/experience-manager/6-3/communities/using/deploy-communities.html#TunnelServiceonAuthor

Adding to what Jörg said, You can refer to the official docs at [1] [1] https://docs.adobe.com/content/help/en/contributor/contributor-guide/writing-essentials/using-markdown.html

You can look into the steps at [1] which provide an alternative to using ACS commons. Check under "Migrate ACL's" [1] . https://helpx.adobe.com/experience-manager/kb/migrate-users-groups-ACLs.html

You can look into docs at [1] [1]https://techblog.commercetools.com/creating-an-aem-commerce-connector-99f17ab72b3bhttps://helpx.adobe.com/experience-manager/using/ecommerce62.html

You can use the detach option from the page properties, which permanently removes the live relationship between a live copy and its source/blueprint page. All MSM-relevant properties are removed from the live copy and the live copy pages become a standalone copy. Once this is done, you can either re...

Sharing the doc[1] where everything is explained in detail. [1] https://docs.adobe.com/content/help/en/experience-manager-65/deploying/configuring/configuring-osgi.html