The cluster disk information in tidb-dashboard cannot correctly display the tiproxy node

[BrianLiu955]

Bug Report

The cluster disk information in tidb-dashboard cannot correctly display the tiproxy node

What did you do?

1. tiup cluster deploy cluster-name
2. Expand the tiproxy node on another machine

4. tiup cluster display correctly displayed
5. The cluster disk information in tidb-dashboard cannot correctly display the tiproxy node

What did you expect to see?

Tiproxy node disk information is displayed correctly

What did you see instead?

Failed to obtain the tiproxy node disk information

What version of TiDB Dashboard are you using (./tidb-dashboard --version)?

v8.5.1