MNTOR-2832/fix ga4 debug mode (#4097)

* MNTOR-2832 - configure GA4 debug mode with build time env var

.env-dist

@@ -170,3 +170,6 @@ NEXT_PUBLIC_GA4_MEASUREMENT_ID=G-CXG8K4KW4P
 # Used during CI to upload sourcemaps to Sentry.
 UPLOAD_SENTRY_SOURCEMAPS=false
 SENTRY_AUTH_TOKEN=
+
+# Whether GA4 sends data or not. NOTE: must be set in build environment.
+NEXT_PUBLIC_GA4_DEBUG_MODE=true

src/app/hooks/useGa.ts

@@ -52,7 +52,7 @@ export const useGa = (): {
   };
 } => {
   const debugMode =
-    process.env.NEXT_PUBLIC_NODE_ENV !== "production" &&
+    process.env.NEXT_PUBLIC_GA4_DEBUG_MODE === "true" &&
     process.env.NODE_ENV !== "test";
 
   useEffect(() => {