fix(eval): send the whole text to evaluate at once

The workaround of sending the messages directly to the powershell
terminal is no longer required because since 2b62f06 the terminal is no
longer blocked after each "evaluate" request

Author: TheLeoP

lua/powershell/lsp.lua

@@ -339,13 +339,11 @@ M.eval = function()
   local buf = api.nvim_get_current_buf()
   local client_id = util.clients_id[buf]
   if not client_id then
-    vim.notify(
+    return vim.notify(
       "There is no LSP client initialized by powershell.nvim attached to the current buffer.",
       vim.log.levels.WARN
     )
-    return
   end
-  local term_channel = assert(util.term_channel(buf))
 
   local mode = api.nvim_get_mode().mode
   ---@type string[]?
@@ -362,14 +360,10 @@ M.eval = function()
 
     lines = api.nvim_buf_get_text(0, start_row, start_col, end_row, end_col, {})
   end
-  vim
-    .iter(lines)
-    :map(function(line) return line .. "\r" end)
-    :each(function(line) api.nvim_chan_send(term_channel, line) end)
-
-  -- TODO: wait for response on https://github.com/PowerShell/PowerShellEditorServices/issues/2164
-  -- local client = assert(vim.lsp.get_client_by_id(client_id))
-  -- client:request("evaluate", { expression = text }, util.noop, 0)
+  assert(lines)
+
+  local client = assert(vim.lsp.get_client_by_id(client_id))
+  client:request("evaluate", { expression = table.concat(lines, "\n") }, util.noop, 0)
 end
 
 return M