Fix issue #1160 "piKey is not set when Explore button is clicked "

src/main/html/index.html

@@ -69,11 +69,15 @@
       /*
         var apiKey = "myApiKeyXXXX123456789";
         $('#input_apiKey').val(apiKey);
-        addApiKeyAuthorization();
       */
 
       window.swaggerUi.load();
 
+      // Add authorization if auth input is not empty
+      if ($('#input_apiKey').val().length) {
+        addApiKeyAuthorization();
+      }
+
       function log() {
         if ('console' in window) {
           console.log.apply(console, arguments);