cli: apply lint fixes

cli/src/desktop/version_manager.rs

@@ -418,7 +418,7 @@ mod tests {
 			.to_string_lossy()
 			.to_string();
 		assert_eq!(
-			RequestedVersion::try_from((&exe).as_str()).unwrap(),
+			RequestedVersion::try_from(exe.as_str()).unwrap(),
 			RequestedVersion::Path(exe),
 		);
 	}

cli/src/util/command.rs

@@ -26,7 +26,7 @@ where
 				e,
 				format!(
 					"failed to execute command '{}'",
-					(&command_str).as_ref().to_string_lossy()
+					command_str.as_ref().to_string_lossy()
 				),
 			)
 		})

cli/src/util/sync.rs

@@ -19,9 +19,7 @@ where
 	/// Waits for the barrier to be closed, returning a value if one was sent.
 	pub async fn wait(&mut self) -> Result<T, RecvError> {
 		loop {
-			if let Err(e) = self.0.changed().await {
-				return Err(e);
-			}
+			self.0.changed().await?;
 
 			if let Some(v) = *(self.0.borrow()) {
 				return Ok(v);