Fix instance settings prefs JS 404 on static route.

Register instance_settings_prefs.js (and options_panel.js) in install_instance_theme_static; add delegated click handlers for embed lazy tabs.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/instance/templates/embed_shell.html

@@ -103,7 +103,7 @@ const ORDER_ENTRY_MODEL_CODE_TO_CATEGORY = {{ entry_model_code_to_category | toj
 <script>
 window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 </script>
-<script src="/static/instance_settings_prefs.js?v=11"></script>
+<script src="/static/instance_settings_prefs.js?v=12"></script>
 <script src="/static/instance_live.js?v=4"></script>
 <script src="/static/instance_embed.js?v=21"></script>
 </body>

lib/instance/templates/index.html

@@ -2038,6 +2038,6 @@ setInterval(refreshPriceSnapshotConditional, {{ price_refresh_seconds * 1000 }})
 <script>
 window.__INSTANCE_DISPLAY__ = {{ display | tojson }};
 </script>
-<script src="/static/instance_settings_prefs.js?v=11"></script>
+<script src="/static/instance_settings_prefs.js?v=12"></script>
 </body>
 </html>