CLI: rebuilds will not relaunch the iOS simulator

[nicoburns]

Problem

The Dioxus CLI will automatically launch the iOS simulator when initiating an iOS build. However, if you close the iOS simulator (either quit the entire app, or just close the simulator window) then a rebuild will not reopen the simulator. Instead the build will fail to deploy with:

16:24:02 [ios] No devices are booted.
16:24:02 [dev] Application [ios] exited with error: exit status: 148

Steps To Reproduce

Steps to reproduce the behavior:

• Run an iOS build with dx serve --ios
• Once it opens, close the simulator window
• Press r in the dx tui to rebuild

Expected behavior

Simulator will reopen

Environment:

• Dioxus version: 0.7.2
• OS info: macOS
• App platform: iOS (native/desktop)