The Bug:

Selected elements within the realms menu are immediately or randomly unselected if the realms menu was just recently opened.

Steps to Reproduce:

1. Ensure that you're currently a member of a realm.
2. Hit the "Minecraft Realms" button and as soon as you do this, hit the TAB key.
3. Look at the selection of your realm as you do this.
4. Take note as to whether or not selected elements within the realms menu are immediately or randomly unselected if the realms menu was just recently opened.

Observed Behavior:

Selected elements are immediately or randomly unselected.

Expected Behavior:

Selected elements would not be immediately or randomly unselected.