Fix LSP error message

[mcDevnagh]

zk list's error messages says zk.tag.list in the error message, when it should be zk list

Repro Steps

call the following lua code in neovim with the zk lsp attached:

require("zk.api").list("", {}, function(err, notes)
    vim.print(err)
end)

the following error message is printed:

{
  code = -32600,
  message = "zk.tag.list expects a `select` option with the list of fields to return",
  <metatable> = {
    __tostring = <function 1>
  }
}