fix: get_node_at_line for group nodes

Revert "add icons for `default` and `symlink` (nvim-tree#649)" (nvim-…

…tree#706)

This reverts commit 34af2d2.

Fixed clear_prompt (nvim-tree#693)

fix: avoid view erroring because of mark

fix: run find_file on DirChanged if update_focused_file is enabled

fixes nvim-tree#690

fix: quit after buffer override with g:nvim_tree_quit_on_open

chore: allow configuring height

also fixes window management for top and bottom tree side

feat: add lib.collapse_all function

fix: returns empty string instead of default icon by default

feat: completely filter out base mappings if user mappings are defined