Merge oncall-456-vendor-canary: Update the rendered-project vendor-asset canary to the shared form copy (#456)

Author: Snapshot Budgets

core/tests/test_course_platform_vendor_assets.py

@@ -145,8 +145,7 @@ def test_rendered_copied_pages_use_only_local_request_assets(self) -> None:
         )
 
         project_html = responses[0].content.decode()
-        self.assertIn(
-            "Open the commit on GitHub and copy the first 7 characters shown next to its title.",
-            project_html,
-        )
+        # 456: the page renders the shared community-base submission form, so
+        # the render canary is the shared partial's own commit-ID help marker.
+        self.assertIn("Where do I find the commit ID?", project_html)
         self.assertNotIn("habrastorage.org", project_html)