Correct issue with default.project.json files with no name being named default after change (#917)

Co-authored-by: Kenneth Loeffler <kenloef@gmail.com>

src/snapshot_middleware/snapshots/librojo__snapshot_middleware__project__test__no_name_project.snap

@@ -1,6 +1,5 @@
 ---
 source: src/snapshot_middleware/project.rs
-assertion_line: 730
 expression: instance_snapshot
 ---
 snapshot_id: "00000000000000000000000000000000"
@@ -13,7 +12,7 @@ metadata:
   context:
     emit_legacy_scripts: true
   specified_id: ~
-name: no_name_project
+name: foo
 class_name: Model
 properties: {}
 children: []