Add code actions contributon point

For #82718
Fixes #52846

This adds a newly proposed codeActions contribution point. For details, see #82718

This change also makes the intellisense for the `editor.codeActionsOnSave` property dynamic by using the new contribution point

extensions/typescript-language-features/package.json

@@ -866,6 +866,44 @@
           }
         }
       }
+    ],
+    "codeActions": [
+      {
+        "kind": "refactor.extract.constant",
+        "title": "%codeActions.refactor.extract.constant%",
+        "selector": [
+          {
+            "language": "javascript"
+          },
+          {
+            "language": "javascriptreact"
+          },
+          {
+            "language": "typescript"
+          },
+          {
+            "language": "typescriptreact"
+          }
+        ]
+      },
+      {
+        "kind": "source.organizeImports",
+        "title": "%codeActions.source.organizeImports%",
+        "selector": [
+          {
+            "language": "javascript"
+          },
+          {
+            "language": "javascriptreact"
+          },
+          {
+            "language": "typescript"
+          },
+          {
+            "language": "typescriptreact"
+          }
+        ]
+      }
     ]
   }
 }