get lsp server name more consistently for the statusbar

lua/core/statusbar/components.lua

@@ -239,15 +239,11 @@ end
 function M.lsp_srvname(opts)
   local fmt = opts.fmt or "%s"
   local icon = opts.icon or ""
-  local buf_clients = vim.lsp.buf_get_clients(0)
-  if not buf_clients or #buf_clients == 0 then
-    return ""
-  end
   local names = ""
-  for i, c in ipairs(buf_clients) do
-    if i > 1 then names = names .. ", " end
-    names = names .. c.name
-  end
+  vim.lsp.for_each_buffer_client(0, function(client)
+    if names ~= "" then names = names..", " end
+    names = names..client.name
+  end)
   return icon..fmt:format(names)
 end