Fix detecting deleted shares in object store

While using the object store, the shares, that are moved to trashbin were still detected as accessible and cause broken shares to be shown in file/folder listing.

lib/private/Share20/DefaultShareProvider.php

@@ -642,7 +642,8 @@ class DefaultShareProvider implements IShareProvider {
 		// exclude shares leading to trashbin on home storages
 		$pathSections = explode('/', $data['path'], 2);
 		// FIXME: would not detect rare md5'd home storage case properly
-		if ($pathSections[0] !== 'files' && explode(':', $data['storage_string_id'], 2)[0] === 'home') {
+		if ($pathSections[0] !== 'files' 
+		    	&& in_array(explode(':', $data['storage_string_id'], 2)[0], array('home', 'object'))) {
 			return false;
 		}
 		return true;