set cookie SameSite option to 'Lax' for loginlinks to work as intended; fixes #1299

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/Froxlor/UI/Panel/UI.php

@@ -121,7 +121,7 @@ class UI
 			'domain' => self::getCookieHost(),
 			'secure' => self::requestIsHttps(),
 			'httponly' => true,
-			'samesite' => 'Strict'
+			'samesite' => 'Lax'
 		]);
 		session_start();
 

lib/init.php

@@ -374,7 +374,7 @@ if (CurrentUser::hasSession()) {
 		'domain' => UI::getCookieHost(),
 		'secure' => UI::requestIsHttps(),
 		'httponly' => true,
-		'samesite' => 'Strict'
+		'samesite' => 'Lax'
 	];
 	setcookie(session_name(), $_COOKIE[session_name()], $cookie_params);
 } else {