Link Macro no longer allows users to search for existing Confluence pages

Issue Summary

Link Macro (Ctrl + K for Windows, or cmd }} + {{K for Mac.) no longer allows users to search for existing Confluence pages

Steps to Reproduce

1. Create a page
2. Use the /link macro to add a link

Expected Results

The Link field allows for both pasting URLs and searching for pages in the Confluence site

Actual Results

The Link field only allows for pasting of URLs 

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available