feat: show assigned function in actions.which_key (#1871)

lua/telescope/utils.lua

@@ -477,14 +477,15 @@ end)
 
 --- Telescope Wrapper around vim.notify
 ---@param funname string: name of the function that will be
----@param opts table: opts.level string, opts.msg string
+---@param opts table: opts.level string, opts.msg string, opts.once bool
 utils.notify = function(funname, opts)
+  opts.once = vim.F.if_nil(opts.once, false)
   local level = vim.log.levels[opts.level]
   if not level then
     error("Invalid error level", 2)
   end
-
-  vim.notify(string.format("[telescope.%s]: %s", funname, opts.msg), level, {
+  local notify_fn = opts.once and vim.notify_once or vim.notify
+  notify_fn(string.format("[telescope.%s]: %s", funname, opts.msg), level, {
     title = "telescope.nvim",
   })
 end