Fix package id source to std for builtin plugins if they're patched.

[Arcticae]

We couldn't compile the tests because scarb tried to load those plugins from registry instead of local setup (which didn't exist on the registry since they're builtin plugins). Now the source is set to std as intended

https://docs.swmansion.com/maat/release-2.20.0-rc.0-0.62.1/starkware-libs/starknet-perpetual-fce7c194f/logs.txt

[out] error: compiler plugin could not be loaded `starknet v2.20.0-rc.0`
[out] 
[out] Stack backtrace:
[out]    0: <anyhow::Error>::msg::<alloc::string::String>
[out]    1: anyhow::__private::format_err
[out]    2: <scarb::compiler::plugin::collection::PluginsForComponents>::collect
[out]    3: scarb::compiler::db::build_scarb_root_database
[out]    4: scarb::ops::compile::compile_cairo_unit_inner
[out]    5: std::sys::backtrace::__rust_begin_short_backtrace::<scarb::ops::compile::compile_unit::{closure#0}::{closure#0}, core::result::Result<(), anyhow::Error>>
[out]    6: <std::thread::lifecycle::spawn_unchecked<scarb::ops::compile::compile_unit::{closure#0}::{closure#0}, core::result::Result<(), anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[out]    7: <std::sys::thread::unix::Thread>::new::thread_start
[out]    8: start_thread
[out]    9: __clone
[out] error: could not compile `fulfillment` due to 1 previous error and 16 warnings
[out] 
[out] Stack backtrace:
[out]    0: <anyhow::Error>::msg::<alloc::string::String>
[out]    1: std::sys::backtrace::__rust_begin_short_backtrace::<scarb::ops::compile::compile_unit::{closure#0}::{closure#0}, core::result::Result<(), anyhow::Error>>
[out]    2: <std::thread::lifecycle::spawn_unchecked<scarb::ops::compile::compile_unit::{closure#0}::{closure#0}, core::result::Result<(), anyhow::Error>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[out]    3: <std::sys::thread::unix::Thread>::new::thread_start
[out]    4: start_thread
[out]    5: __clone
Process finished with exit code 1```

[maciektr]

@Arcticae how about something like this? #3178

[maciektr]

Closing as replaced with #3178