Command suggestions within the command block interface don't disappear when the console command field is unselected

The Bug:

Command suggestions within the command block interface don't disappear when the console command field is unselected.

The fix of MC-206182 allows us to see this issue.

Steps to Reproduce:

1. Place down a command block.
2. Hit the ESC key to unselect the console command field and take note of how the gray "advancement" text is still present within the console command field.
3. Take note as to whether or not command suggestions within the command block interface don't disappear when the console command field is unselected.

Observed Behavior:

Command suggestions don't disappear.

Expected Behavior:

Command suggestions would disappear when the command console field is not selected.