Fixed extension rule matching

from functools import wraps

def clean_rule(rule: str):

    while rule[0] == "/":

        rule = rule[1:]

    return f"/{rule}"

def build_gui_from_dict(gui_description, extension_object):

    # Make a working copy of GUI description

    api_gui = copy.deepcopy(gui_description)

        for form in api_gui["forms"]:

            # Clean leading slashes from rule

            if "route" in form:

                while form["route"][0] == "/":

                    form["route"] = form["route"][1:]

                form["route"] = clean_rule(form["route"])

            # Match rule in extension object

            if "route" in form and form["route"] in extension_object._rules.keys():

                form["route"] = extension_object._rules[form["route"]]["rule"]