Large amount of commands freeze the client

Steps to Reproduce

• Join a server with a large amount of commands available

or

• In a custom server, send an "available commands" packet with a large amount of commands.

Observed Results

When the client has been sent a large amount of commands to autocomplete, the client can freeze when trying to load them. It's only the first time loading that there is any issue; after that there are no issues.

 

10-29-2020_12-14-24_AM-elidpca1.mp4

Expected Results

No freeze