feat(api): add node.open.vertical_no_picker, node.open.horizontal_no_picker (#3031)

* test

* add splits with no window pickers

removed the 1 buffer per file limitation

test

test2

* no-picker for splits

* help vertical/horizontal_no_picker

* revert whitespace changes

---------

Co-authored-by: JoeDaBu <joegbu@gmail.com>
Co-authored-by: Alexander Courtis <alex@courtis.org>

lua/nvim-tree/actions/node/open-file.lua

@@ -235,9 +235,8 @@ end
 
 local function get_target_winid(mode)
   local target_winid
-  if not M.window_picker.enable or mode == "edit_no_picker" or mode == "preview_no_picker" then
+  if not M.window_picker.enable or string.find(mode, "no_picker") then
     target_winid = lib.target_winid
-
     -- first available window
     if not vim.tbl_contains(vim.api.nvim_tabpage_list_wins(0), target_winid) then
       target_winid = first_win_id()
@@ -280,6 +279,11 @@ local function open_in_new_window(filename, mode)
     return
   end
 
+  local position = string.find(mode, "no_picker")
+  if position then
+    mode = string.sub(mode, 0, position - 2)
+  end
+
   -- non-floating, non-nvim-tree windows
   local win_ids = vim.tbl_filter(function(id)
     local config = vim.api.nvim_win_get_config(id)