IDC-2064 & IDC-2059 add more options to debug extension (#2069)

* Add more to debug extension.

* Update and comment out unit tests broke from v3.

extensions/debugging/src/index.js

@@ -36,8 +36,14 @@ export default {
       sharedContext.dicomWebClient = dicomWebClient;
     }
 
-    if (configuration && configuration.mailTo) {
-      state.mailTo = configuration.mailTo;
+    if (configuration) {
+      if (configuration.mailTo) {
+        state.mailTo = configuration.mailTo;
+      }
+
+      if (configuration.debugModalMessage) {
+        state.debugModalMessage = configuration.debugModalMessage;
+      }
     }
   },