fix(files): fixes #71, toggle the correct flags. (#75)

Toggle the state.filters.(show_hidden|respect_gitignore) flags, instead
of setting them on the root state object.

Author: jgottzen

lua/neo-tree/sources/filesystem/commands.lua

@@ -95,13 +95,13 @@ end
 
 ---Toggles whether hidden files are shown or not.
 M.toggle_hidden = function(state)
-  state.show_hidden = not state.show_hidden
+  state.filters.show_hidden = not state.filters.show_hidden
   fs.show()
 end
 
 ---Toggles whether the tree is filtered by gitignore or not.
 M.toggle_gitignore = function(state)
-  state.respect_gitignore = not state.respect_gitignore
+  state.filters.respect_gitignore = not state.filters.respect_gitignore
   fs.show()
 end
 

lua/neo-tree/sources/filesystem/lib/fs_scan.lua

@@ -16,10 +16,11 @@ local function do_scan(context, path_to_scan)
   local state = context.state
   local paths_to_load = context.paths_to_load
   local folders = context.folders
+  local filters = state.filters
 
   scan.scan_dir_async(path_to_scan, {
-    hidden = state.show_hidden or false,
-    respect_gitignore = state.respect_gitignore or false,
+    hidden = filters.show_hidden or false,
+    respect_gitignore = filters.respect_gitignore or false,
     search_pattern = state.search_pattern or nil,
     add_dirs = true,
     depth = 1,