fix(#2327): set parent folder git ignore status following file update (#2328)

* fix(#1931): do not execute git status in git ignored directories

* fix(#1931): reload.refresh_node is always asynchronous

* fix(#2327): set parent folder ignore status following file update

Author: alex-courtis

lua/nvim-tree/explorer/node.lua

@@ -111,7 +111,7 @@ function M.get_git_status(node)
 end
 
 function M.is_git_ignored(node)
-  return node.git_status and node.git_status.file == "!!"
+  return node and node.git_status and node.git_status.file == "!!"
 end
 
 function M.node_destroy(node)

lua/nvim-tree/explorer/reload.lua

@@ -30,7 +30,7 @@ end
 
 local function update_parent_statuses(node, project, root)
   while project and node and node.absolute_path ~= root do
-    explorer_node.update_git_status(node, false, project)
+    explorer_node.update_git_status(node, explorer_node.is_git_ignored(node.parent), project)
     node = node.parent
   end
 end