When updating `dx` tool, it can't run due to missing packages

**Problem**

If you don't use dioxus-fullstack in any of your projects, after updating `dx` tool it won't work.

**Steps To Reproduce**

Steps to reproduce the behavior:

When you update dx tool, say from 0.7.5 to 0.7.6, assuming you don't use dioxus-fullstack, after starting it, you'll see this:

To fix this, you need to manually trigger cargo to pull those packages up. I used this approach and it worked:

**Expected behavior**

Dx tool works out of the box

**Environment:**

- Dioxus version: 0.7.*
- Rust version: 1.96.0-nightly
- OS info: 6.18.21-1-lts
- App platform: web