Concerning the UI, in most cases clicking on the magnifying glass will navigate to the selected asset in the Content Browser.
Clicking on the magnifying glass next to the Parent Socket field results in a pop-up prompting the user to browse and select the appropriate socket (next to a disable text field.)
*See attached images
1. Open a Third Person Blueprint project
2. Open the Character Blueprint
3. Under components, select "Mesh"
4. In the Details panel, click on the magnifying glass icon next to Anim Blueprint NOTE: navigates to the AnimBlueprint in the Content Browser
5. Return to Details panel in Character Blueprint
6. Select magnifying glass icon next to Parent Socket
NOTE: a pop message appears prompting user to browse available bones and sockets & the adjacent text field is disabled.
EXPECTED: A Dropdown menu for the user to select from available sockets.
Head over to the existing Questions & Answers thread and let us know what's up.