fix: only register otel during initialization (#1736)

* fix: only register otel during initialization

Signed-off-by: Michael Beemer <beeme1mr@users.noreply.github.com>

* revert removal of fatal log

---------

Signed-off-by: Michael Beemer <beeme1mr@users.noreply.github.com>
Co-authored-by: Juliano Costa <julianocosta89@outlook.com>

src/productcatalogservice/main.go

@@ -128,6 +128,7 @@ func main() {
 		}
 		log.Println("Shutdown meter provider")
 	}()
+	openfeature.AddHooks(otelhooks.NewTracesHook())
 	err := openfeature.SetProvider(flagd.NewProvider())
 	if err != nil {
 		log.Fatal(err)
@@ -300,7 +301,7 @@ func (p *productCatalog) checkProductFailure(ctx context.Context, id string) boo
 	if id != "OLJCESPC7Z" {
 		return false
 	}
-	openfeature.AddHooks(otelhooks.NewTracesHook())
+
 	client := openfeature.NewClient("productCatalog")
 	failureEnabled, _ := client.BooleanValue(
 		ctx, "productCatalogFailure", false, openfeature.EvaluationContext{},