AAE-32255 Start Process button in start event is showing and failing for form with custom outcomes (#10697)

* [AAE-32255] check if form has visible outcomes

* [AAE-32255] readded ?

* [AAE-32255] use pipe and observable

* [AAE-32255] check if exists

lib/core/src/lib/form/components/form-base.component.ts

@@ -103,6 +103,10 @@ export abstract class FormBaseComponent {
      */
     formStyle: string = '';
 
+    get hasVisibleOutcomes(): boolean {
+        return this.form?.outcomes?.some((outcome) => this.isOutcomeButtonVisible(outcome, this.form.readOnly));
+    }
+
     get form(): FormModel {
         return this._form;
     }