test(web): re-record the goldens for master's context-injection disclosure

Merging master swapped the plain "▸ 上下文注入" button for the shared
DisclosureRow, which every conversation golden carrying an injected-context
row renders. The only change in all twelve files is that row.

apps/web/tests/snapshots/code-mode-round/ui.expected.md

@@ -11,7 +11,10 @@
   - img
 - button "编辑":
   - img
-- button "▸ 上下文注入"
+- button "上下文注入":
+  - img
+  - img
+  - text: 上下文注入
 - 'button "Think The user wants me to write a single `run_code` program that:"':
   - img
   - img