Implement knip production mode in CI (#9330)

* revert deletion of react-virtualized

* document react-virtualized

* refactor knip.mjs

* delete knip.production.mjs

* adds missing dep from lockfile

* improved project exclude comment

* delete or comment dead production code

* handle more files

* wip

* finish marking kept files @internal

* delete duplicates from bad merge

* another merge fix

* delete more dead code

* more dead code deletion

* implement the dead code check in ci

* wip

* fix bad merge

.github/workflows/ci.yml

@@ -177,6 +177,8 @@ jobs:
       - run: npm ci
       # Detect dead code with enforced rules
       - run: npm run dead-code
+      # Detect dead code that is only used by tests
+      - run: npm run dead-code:prod
       # Also run the remaining "warn" rules
       - run: npm run dead-code:base -- --no-exit-code
 

.secrets.baseline

@@ -149,7 +149,7 @@
         "filename": ".github/workflows/ci.yml",
         "hashed_secret": "3e26d6750975d678acb8fa35a0f69237881576b0",
         "is_verified": false,
-        "line_number": 196
+        "line_number": 198
       }
     ],
     ".github/workflows/e2e-test-pre-release-browsers.yml": [
@@ -273,5 +273,5 @@
       }
     ]
   },
-  "generated_at": "2024-10-21T20:51:16Z"
+  "generated_at": "2024-10-22T20:32:58Z"
 }