add hook to get the current path pattern

[alondon17]

it's stupid that it was removed, it stops me from using matchPath in nested components because the current match is not a constant

i found a comment on stackoverflow implementing this https://stackoverflow.com/a/71028992
with i added typescript to

import { useContext } from 'react';
import { UNSAFE_RouteContext } from 'react-router-dom';
import type { RouteContextObject, RouteMatch, RouteObject } from 'react-router/dist/lib/context';

const reconstructPath = (matches: Array<RouteMatch<string, RouteObject>>): string =>
	matches.map(({ route: { path } }) => (path?.endsWith('/*') ? path.slice(0, -1) : path ? path + '/' : '')).join('');

const findLastNode = (node: RouteContextObject): RouteContextObject => (node.outlet ? findLastNode(node.outlet.props.value) : node);

export const usePathPattern = (): string => reconstructPath(findLastNode(useContext(UNSAFE_RouteContext)).matches);