added toggle options logic (#276)

src/angular/components/send/add-edit.component.ts

@@ -51,6 +51,7 @@ export class AddEditComponent implements OnInit {
     expirationDateSelect: number = null;
     canAccessPremium = true;
     premiumRequiredAlertShown = false;
+    showOptions = false;
 
     private webVaultUrl: string;
 
@@ -246,6 +247,10 @@ export class AddEditComponent implements OnInit {
         }
     }
 
+    toggleOptions() {
+        this.showOptions = !this.showOptions;
+    }
+
     protected async loadSend(): Promise<Send> {
         return this.sendService.get(this.sendId);
     }