fix: edge case with only sudo command

src/shell.rs

@@ -76,7 +76,7 @@ pub fn expand_alias(shell: &str, full_command: &str) -> String {
 	}
 
 	let split_command = full_command.split_whitespace().collect::<Vec<&str>>();
-	let (command, pure_command) = if PRIVILEGE_LIST.contains(&split_command[0]) {
+	let (command, pure_command) = if PRIVILEGE_LIST.contains(&split_command[0]) && split_command.len() > 1 {
 		(split_command[1], Some(split_command[1..].join(" ")))
 	} else {
 		(split_command[0], None)

src/suggestions.rs

@@ -273,8 +273,14 @@ pub fn confirm_suggestion(shell: &str, command: &str, highlighted: &str) -> Resu
 		if !command.starts_with(&_p) {
 			continue;
 		}
+
+		let command = {
 			let mut command = command.replacen(&_p, "", 1);
+			if command != " " {
 				command = expand_alias_multiline(shell, &command);
+			}
+			command
+		};
 
 		let now = Instant::now();
 		let process = run_suggestion_p(shell, p, &command);