misc: more clippy fixes, **switched to stable**

The switch was due to rust-analyzer bug on latest nightly, please use stable until [this bug](https://github.com/rust-lang/rust-analyzer/issues/20051) is fixed

emulator/src/emulator/misc/rpc.rs

@@ -7,7 +7,7 @@
 //!
 //! # Configuration
 //!
-//! This may be disabled like so in your `.dsarc.toml` file:
+//! This may be disabled like so in your `.dsa.emulator.toml` file:
 //!
 //! ```toml
 //! [misc]
@@ -16,6 +16,9 @@
 //!
 //! Alternatively, you can hide this in your Discord settings.
 
+#[cfg(feature = "discord-rpc")]
+use std::{path::PathBuf, sync::Arc, time::Duration};
+
 use std::sync::mpsc::{Receiver, Sender};
 
 #[cfg(feature = "discord-rpc")]
@@ -200,6 +203,7 @@ pub enum Activity {}
 /// Gets the discord [`RpcClient`] or returns None if this has been disabled in the config
 /// options.
 #[cfg(feature = "config")]
+#[allow(clippy::needless_pass_by_value, unused_variables)]
 pub fn get_rpc_client_or_none(
     config: &Config,
     rpc_sender: Sender<Message>,

emulator/src/emulator/system/emulator.rs

@@ -5,7 +5,9 @@ use std::{
     time::Duration,
 };
 
-use crate::emulator::misc::rpc::RpcClient;
+#[allow(unused_imports)]
+use crate::emulator::misc::rpc::{Activity, RpcClient};
+
 use crate::emulator::system::{
     model::{Command, PersistentState, Running, State},
     processor::Processor,
@@ -14,6 +16,7 @@ use crate::emulator::system::{
 use common::prelude::*;
 
 #[expect(clippy::too_many_lines)]
+#[allow(unused_variables)]
 pub fn run_emulator(
     cmd_rx: &Receiver<Command>,
     state_tx: &Sender<State>,

emulator/src/emulator/ui/editor.rs

@@ -344,8 +344,8 @@ impl Editor {
             }
 
             // builds the current file
-            if ui.button("Build").clicked() && !self.unsaved
-                && let Some(path) = &self.path {
+            if ui.button("Build").clicked() && !self.unsaved {
+                if let Some(path) = &self.path {
                     let mut assembler = CompilerEngine::new();
                     if let Err(error) = assembler.assemble(path) {
                         self.error = Some(format!("Failed to assemble: {error:?}"));
@@ -371,6 +371,7 @@ impl Editor {
                         .flat_map(|i| i.encode().to_be_bytes().to_vec())
                         .collect();
                 }
+            }
 
             // Loads the generated binary into the assembler at the provided offset
             if ui.button("Load").clicked() {