Hover event conflicts with command completion list.

The bug

Chat messages with hover effects fight the hover text of command suggestions, and can be seen through the suggestions menu.

How to reproduce

1. /tellraw @s {"text":"hover here aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","hoverEvent":{"action":"show_text","value":"some text\nin multiple\nlines"}}
   

2. Type the following in chat

   /summon 
   

3. Hover over the entity type suggestions at the position where the message from step 1 is shown in the background
   The hover text from the chat message is shown instead of the entity type hover text