refactor: ensure modules with 'declare global' are correctly handled by Rollup

Explicitly adding an `export {}` to modules containing declare global fixes an issue where Rollup would incorrectly claim that the global variable is not defined in the emitted .d.ts files.

Needed to land the latest rules_angular.

adev/shared-docs/utils/analytics.utils.ts

@@ -41,3 +41,6 @@ export const setCookieConsent = (state: 'denied' | 'granted'): void => {
     }
   }
 };
+
+// This fixes the RollupError: Exported variable "global" is not defined.
+export {};