fix(proxy): add transitional bare-path fallback for legacy route URLs

fix(proxy): add transitional bare-path fallback for legacy route URLs

Signed-off-by: Oleksander Piskun <oleksandr2088@icloud.com>

[skip ci]

Author: oleksandr-nc

lib/Controller/ExAppProxyController.php

@@ -318,7 +318,7 @@ private function buildMultipartFormData(array $bodyParams, array $files): array
 
 	private function passesExAppProxyRoutesChecks(ExApp $exApp, string $exAppRoute): array {
 		// Route URL is a regex matched against the request path including its leading slash, mirroring HaRP's target_path semantics.
-		$exAppRoute = '/' . $exAppRoute;
+		$canonicalSubject = '/' . $exAppRoute;
 		foreach ($exApp->getRoutes() as $route) {
 			$pattern = '~^(?:' . str_replace('~', '\\~', $route['url']) . ')~i';
 			if (preg_match($pattern, $exAppRoute) === 1 &&