Make Duck.ai sidebar available to internal only for min version of 1.147.0 on macOS (duckduckgo#3441)

Author: miasma13

overrides/macos-override.json

@@ -196,7 +196,8 @@
                     "state": "enabled"
                 },
                 "sidebar": {
-                    "state": "disabled"
+                    "state": "internal",
+                    "minSupportedVersion": "1.147.0"
                 },
                 "textSummarization": {
                     "state": "disabled"