fix path search

Author: glepnir

lua/dired/init.lua

@@ -991,6 +991,7 @@ Browser.State = {
                   on_lines = function()
                     local line = api.nvim_buf_get_text(state.search_buf, 0, 0, 0, -1, {})[1]
                     local query = line:sub(#(state.abbr_path or state.current_path) + 1)
+                    query = query:gsub('^' .. SEPARATOR, '')
 
                     -- Empty query or directory navigation
                     if query == '' or query:match(SEPARATOR .. '$') then