disable query agent (now that we are actually provisioning the McpService) (#7853)

## Rationale
Don't show the example code.

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## Changes
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## Tasks 📍
- [ ] Claude Code Review
- [ ] Manual Testing
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Author: labkey-matthewb

query/src/org/labkey/query/view/sourceQuery.jsp

@@ -52,7 +52,7 @@
     boolean canEdit = queryDef.canEdit(getUser());
     boolean canEditMetadata = queryDef.canEditMetadata(getUser());
     boolean canDelete = queryDef.canDelete(getUser());
-    boolean isChatReady = canEdit && McpService.get().isAIFeaturesReady();
+    boolean isChatReady = false && canEdit && McpService.get().isAIFeaturesReady();
 %>
 <style type="text/css">