v1.2.0: advisor is per session and off by default (new and existing sessions); old global setting ignored

cordis.patch.yml

@@ -2,7 +2,8 @@
     - id: omp-advisor
       name: '@local/omp-advisor'
       config:
-        enabled: true
+        # default for sessions not yet switched on in the composer (each session chooses its own)
+        enabled: false
         # empty = same provider/model as the agent; set a cheaper/faster reviewer here
         provider: ''
         model: ''