Mark init.meta.json as relevant path for directories

src/snapshots/serve_session__change_script_meta_after.snap

@@ -12,6 +12,7 @@ metadata:
     Path: /root
   relevant_paths:
     - /root
+    - /root/init.meta.json
 children:
   - id: id-2
     name: test

src/snapshots/serve_session__change_script_meta_before.snap

@@ -12,6 +12,7 @@ metadata:
     Path: /root
   relevant_paths:
     - /root
+    - /root/init.meta.json
 children:
   - id: id-2
     name: test

src/snapshots/serve_session__just_folder.snap

@@ -1,6 +1,6 @@
 ---
 source: src/serve_session.rs
-expression: tree_value
+expression: "view_tree(&session.tree(), &mut rm)"
 ---
 id: id-1
 name: foo
@@ -12,4 +12,5 @@ metadata:
     Path: /foo
   relevant_paths:
     - /foo
+    - /foo/init.meta.json
 children: []

src/snapshots/serve_session__project_with_folder.snap

@@ -12,6 +12,7 @@ metadata:
     Path: /foo/default.project.json
   relevant_paths:
     - /foo/src
+    - /foo/src/init.meta.json
     - /foo/default.project.json
 children:
   - id: id-2

src/snapshots/serve_session__script_with_meta.snap

@@ -12,6 +12,7 @@ metadata:
     Path: /root
   relevant_paths:
     - /root
+    - /root/init.meta.json
 children:
   - id: id-2
     name: test