Fix React and Angular exports (#6193)

- Removes main field from msal-angular, the file it points to doesn't
exist and the Angular build step adds the relevant exports
- Fixes the module field in msal-react to point to the correct file

change/@azure-msal-angular-8efd78c1-92ab-4c2a-ac45-0044359e2365.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Remove unused main field in package.json #6190",
+  "packageName": "@azure/msal-angular",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

change/@azure-msal-react-52ca3a73-b606-443a-946c-a90644ba34be.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Fix module field in package.json #6190",
+  "packageName": "@azure/msal-react",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

lib/msal-angular/package.json

@@ -35,7 +35,6 @@
     "format:check": "npx prettier --ignore-path .gitignore --check src",
     "format:fix": "npx prettier --ignore-path .gitignore --write src"
   },
-  "main": "./dist/bundles/azure-msal-angular.umd.js",
   "typings": "./dist/azure-msal-angular.d.ts",
   "beachball": {
     "disallowedChangeTypes": [
@@ -79,4 +78,4 @@
     "@azure/msal-browser": "^3.0.0-beta.0",
     "rxjs": "^7.0.0"
   }
-}
+}

lib/msal-react/package.json

@@ -46,7 +46,7 @@
     "@azure/msal-browser": "^3.0.0-beta.0",
     "react": "^16.8.0 || ^17 || ^18"
   },
-  "module": "dist/msal-react.esm.js",
+  "module": "dist/index.js",
   "devDependencies": {
     "@azure/msal-browser": "^3.0.0-beta.0",
     "@testing-library/jest-dom": "^5.11.5",
@@ -67,4 +67,4 @@
     "@rollup/plugin-typescript": "^11.1.0",
     "rollup": "^3.20.2"
   }
-}
+}