fix(complete): Prefer subcommand names over aliases

Author: cyphercodes

clap_complete/src/engine/complete.rs

@@ -467,7 +467,6 @@ fn complete_subcommand(value: &str, cmd: &clap::Command) -> Vec<CompletionCandid
         }
     }
 
-    scs.sort();
     scs.dedup();
     scs
 }

clap_complete/tests/testsuite/engine.rs

@@ -111,6 +111,17 @@ hello-moon
     );
 }
 
+#[test]
+fn prefer_subcommand_name_over_visible_alias() {
+    let mut cmd = Command::new("exhaustive")
+        .subcommand(Command::new("install").visible_alias("i"))
+        .subcommand(Command::new("remove").visible_alias("rm"));
+
+    assert_data_eq!(complete!(cmd, "i[TAB]"), snapbox::str!["install"]);
+    assert_data_eq!(complete!(cmd, "in[TAB]"), snapbox::str!["install"]);
+    assert_data_eq!(complete!(cmd, "rm[TAB]"), snapbox::str!["rm"]);
+}
+
 #[test]
 fn suggest_hidden_possible_value() {
     let mut cmd = Command::new("exhaustive").arg(