fix: reset highlight using old lib.Tree.bufnr

Author: kyazdani42

lua/nvim-tree.lua

@@ -193,7 +193,7 @@ end
 
 function M.reset_highlight()
   colors.setup()
-  renderer.render_hl(lib.Tree.bufnr)
+  renderer.render_hl(view.View.bufnr)
 end
 
 view.setup()