Update Detection.php

The latter implies the former.

https://github.com/nextcloud/server/pull/38261#discussion_r1196708412

Signed-off-by: Faraz Samapoor <f.samapoor@gmail.com>

lib/private/Files/Type/Detection.php

@@ -246,7 +246,7 @@ class Detection implements IMimeTypeDetector {
 			}
 		}
 
-		if (str_contains($path, '://') && str_starts_with($path, 'file://')) {
+		if (str_starts_with($path, 'file://')) {
 			// Is the file wrapped in a stream?
 			return 'application/octet-stream';
 		}