FIX #29780 Restore filtes when using "back to list"

htdocs/admin/system/security.php

@@ -760,7 +760,7 @@ print $examplecsprule;
 print '")</span><br>';
 print '<br>';
 
-print '<strong>WEBSITE_MAIN_SECURITY_FORCERP</strong> = '.getDolGlobalString('WEBSITE_MAIN_SECURITY_FORCERP', '<span class="opacitymedium">'.$langs->trans("Undefined").'</span>').' &nbsp; <span class="opacitymedium">('.$langs->trans("Recommended").': '.$langs->trans("Undefined").' '.$langs->trans("or").' "strict-origin-when-cross-origin")</span><br>';
+print '<strong>WEBSITE_MAIN_SECURITY_FORCERP</strong> = '.getDolGlobalString('WEBSITE_MAIN_SECURITY_FORCERP', '<span class="opacitymedium">'.$langs->trans("Undefined").'</span>').' &nbsp; <span class="opacitymedium">('.$langs->trans("Recommended").': '.$langs->trans("Undefined").'="strict-origin-when-cross-origin" '.$langs->trans("or").' "same-origin"=more secured)</span><br>';
 print '<br>';
 
 print '<strong>WEBSITE_MAIN_SECURITY_FORCESTS</strong> = '.getDolGlobalString('WEBSITE_MAIN_SECURITY_FORCESTS', '<span class="opacitymedium">'.$langs->trans("Undefined").'</span>').' &nbsp; <span class="opacitymedium">('.$langs->trans("Example").": \"max-age=31536000; includeSubDomains\")</span><br>";

htdocs/main.inc.php

@@ -1674,9 +1674,10 @@ function top_httphead($contenttype = 'text/html', $forcenocache = 0)
 
 	// Referrer-Policy
 	// Say if we must provide the referrer when we jump onto another web page.
-	// Default browser are 'strict-origin-when-cross-origin' (only domain is sent on other domain switching), we want more so we use 'strict-origin' so browser doesn't send any referrer when going into another web site domain.
+	// Default browser are 'strict-origin-when-cross-origin' (only domain is sent on other domain switching), we want more so we use 'same-origin' so browser doesn't send any referrer at all when going into another web site domain.
+	// Note that we do not use 'strict-origin' as this breaks feature to restore filters when clicking on "back to page" link on some cases.
 	if (!defined('MAIN_SECURITY_FORCERP')) {
-		$referrerpolicy = getDolGlobalString('MAIN_SECURITY_FORCERP', "strict-origin");
+		$referrerpolicy = getDolGlobalString('MAIN_SECURITY_FORCERP', "same-origin");
 
 		header("Referrer-Policy: ".$referrerpolicy);
 	}