Add htaccess exception for richdocumentscode_arm64

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/private/Setup.php

@@ -544,7 +544,7 @@ class Setup {
 			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs-provider/";
 			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocm-provider/";
 			$content .= "\n  RewriteCond %{REQUEST_URI} !^/\\.well-known/(acme-challenge|pki-validation)/.*";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/richdocumentscode/proxy.php$";
+			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/richdocumentscode(_arm64)?/proxy.php$";
 			$content .= "\n  RewriteRule . index.php [PT,E=PATH_INFO:$1]";
 			$content .= "\n  RewriteBase " . $rewriteBase;
 			$content .= "\n  <IfModule mod_env.c>";