SG-632 Fix default value of email providers list (#4213)

libs/angular/src/components/generator.component.ts

@@ -244,7 +244,10 @@ export class GeneratorComponent implements OnInit {
     ];
 
     this.usernameOptions = await this.usernameGenerationService.getOptions();
-    if (this.usernameOptions.forwardedService == null) {
+    if (
+      this.usernameOptions.forwardedService == null ||
+      this.usernameOptions.forwardedService === ""
+    ) {
       this.forwardOptions.push({ name: "", value: null });
     }
 

libs/common/src/services/usernameGeneration.service.ts

@@ -17,7 +17,7 @@ const DefaultOptions = {
   wordIncludeNumber: true,
   subaddressType: "random",
   catchallType: "random",
-  forwardedService: "simplelogin",
+  forwardedService: "",
   forwardedAnonAddyDomain: "anonaddy.me",
 };