fix: bookmark filter should include parent directory (#2704)

* fix: bookmark filter should include parent directory

* fix: dont match mark's siblings

* fix: match mark from the start

---------

Co-authored-by: Alexander Courtis <alex@courtis.org>

lua/nvim-tree/explorer/filters.lua

@@ -73,7 +73,20 @@ end
 ---@param path string
 ---@param bookmarks table<string, boolean> absolute paths bookmarked
 local function bookmark(path, bookmarks)
-  return M.config.filter_no_bookmark and not bookmarks[path]
+  if not M.config.filter_no_bookmark then
+    return false
+  end
+
+  -- add trailing slash to make it match only mark's parent directory
+  -- not it's siblings
+  local parent = utils.path_add_trailing(path)
+  for mark, _ in pairs(bookmarks) do
+    if path == mark or vim.fn.stridx(mark, parent) == 0 then
+      return false
+    end
+  end
+
+  return true
 end
 
 ---@param path string