Only append envKey if ENV_KEY is defined

Updated request logic to add the "envKey" query parameter only when the global ENV_KEY variable is defined. This prevents errors and avoids unnecessary parameters in requests when ENV_KEY is not set.

EnvelopeGenerator.Web/wwwroot/js/envelope-api.js

@@ -15,7 +15,7 @@ const url = Object.freeze({
 //#region request helper methods
 function sendRequest(method, url, body = undefined) {
     const urlObj = new URL(url, window.location.origin);
-    if (!urlObj.searchParams.has("envKey")) {
+    if (typeof ENV_KEY !== 'undefined' && !urlObj.searchParams.has("envKey")) {
         urlObj.searchParams.set("envKey", ENV_KEY);
     }