perf: slightly optimize Vec usage

src/lua/client/mod.rs

@@ -109,11 +109,7 @@ fn id(_lua: &Lua, client: &Client) -> Result<i32> {
 }
 
 fn tab_list(_lua: &Lua, client: &Client) -> Result<Vec<Player>> {
-    let mut tab_list = Vec::new();
-    for (_, player_info) in client.tab_list() {
-        tab_list.push(Player::from(player_info));
-    }
-    Ok(tab_list)
+    Ok(client.tab_list().into_values().map(Player::from).collect())
 }
 
 fn username(_lua: &Lua, client: &Client) -> Result<String> {

src/lua/client/world/mod.rs

@@ -56,7 +56,7 @@ pub async fn find_all_entities(
     client: UserDataRef<Client>,
     (): (),
 ) -> Result<Vec<Table>> {
-    let mut matched = Vec::new();
+    let mut matched = Vec::with_capacity(256);
     for (position, custom_name, kind, uuid, direction, id, owner_uuid, pose) in
         get_entities!(client)
     {