Fail to create a Premium function app in VS Code

[v-ruizh]

OS: Win 11
Build Version: 20251122.1
Regression: Previous Release

Repro Steps:

1. Create a Premium function app in VS Code.
2. Check whether succeeds to create a Premium function app or not.

Expect:
Succeed to create a Premium function app.

Actual:
Fail to create a Premium function app.

More Info:

1. This issue does not reproduce if creating a Premium function app in portal.
2. This issue does not reproduce when creating function app with other host plans.
3. This issue does not reproduce on previous released extension v1.19.2.