Fix mistaken filter

We filter out non-file/link types by default. However, the check mistakenly filtered out all files by default.

lib/db/queries.go

@@ -224,7 +224,7 @@ func ListObjectsByAssociatedUser(userID string, typ int, asc bool, offset, limit
 		order = "ASC"
 	}
 
-	typeFilter := "!= 0"
+	typeFilter := "!= 2"
 	if typ != -1 {
 		typeFilter = fmt.Sprintf("= %v", typ)
 	}