Migration to inline macros

[neotheprogramist]

This task updates the commands to use macros, which will also enable them to be used outside of components / systems.

# Previous
fn commands::uuid() -> felt252;

# Actual
uuid!()

# Previous
fn commands::set_entity(storage_key: StorageKey, components: T);

# Actual
set!(context, component, ctor, query);

# Previous
fn commands::<T>::get(storage_key: StorageKey) -> T;

# Actual
get!(context, component, query_subtype, query_id, query, lookup_err_msg, deser_err_msg);

# Previous
fn commands::<T>::entities() -> Array<felt252>;

# Actual
find!(context, query_id, query_subtype, partition, component);

# Previous
fn commands::execute(SpawnSystem, 'PositionPlayerWriter'.into(), calldata);

# Actual
execute!(context, system, calldata);

[tarrencev]

Minor feedback otherwise lgtm. The uuid! macro is kind of useless with the world context. we should prob drop it but we can land this first