fix(pick): get rid of "auto" picker and set better defaults for telescope find_files (#4024)

## Description

Changes telescope's `find_files` options to match `fzf-lua` that matches
what `git_files` does including untracked files.

## Related Issue(s)

Fixes #3974

## Screenshots

<!-- Add screenshots of the changes if applicable. -->

## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/plugins/extras/editor/telescope.lua

@@ -92,12 +92,12 @@ return {
       },
       { "<leader>/", LazyVim.pick("live_grep"), desc = "Grep (Root Dir)" },
       { "<leader>:", "<cmd>Telescope command_history<cr>", desc = "Command History" },
-      { "<leader><space>", LazyVim.pick("auto"), desc = "Find Files (Root Dir)" },
+      { "<leader><space>", LazyVim.pick("files"), desc = "Find Files (Root Dir)" },
       -- find
       { "<leader>fb", "<cmd>Telescope buffers sort_mru=true sort_lastused=true<cr>", desc = "Buffers" },
       { "<leader>fc", LazyVim.pick.config_files(), desc = "Find Config File" },
-      { "<leader>ff", LazyVim.pick("auto"), desc = "Find Files (Root Dir)" },
-      { "<leader>fF", LazyVim.pick("auto", { root = false }), desc = "Find Files (cwd)" },
+      { "<leader>ff", LazyVim.pick("files"), desc = "Find Files (Root Dir)" },
+      { "<leader>fF", LazyVim.pick("files", { root = false }), desc = "Find Files (cwd)" },
       { "<leader>fg", "<cmd>Telescope git_files<cr>", desc = "Find Files (git-files)" },
       { "<leader>fr", "<cmd>Telescope oldfiles<cr>", desc = "Recent" },
       { "<leader>fR", LazyVim.pick("oldfiles", { cwd = vim.uv.cwd() }), desc = "Recent (cwd)" },
@@ -198,6 +198,12 @@ return {
             },
           },
         },
+        pickers = {
+          find_files = {
+            find_command = { "fd", "--type", "f", "--color", "never", "-E", ".git" },
+            hidden = true,
+          },
+        },
       }
     end,
   },