Work for #8254 - Console Warnings when running the Form Library demo …

…- Warning: Cannot update during an existing state transition (such as within render) - refactoring - get rid of unnecessary code

packages/survey-angular-ui/src/components/dropdown/dropdown.component.ts

@@ -18,9 +18,6 @@ export class DropdownComponent extends BaseAngular implements OnInit {
 
  override ngOnInit(): void {
  super.ngOnInit();
- if (!this.model.dropdownListModel) {
- this.model.dropdownListModel = new DropdownListModel(this.model);
- }
  }
 
  click(event: any) {

packages/survey-vue3-ui/src/components/dropdown/Dropdown.vue

@@ -130,10 +130,6 @@ import { computed, onMounted, onUpdated, ref } from "vue";
 const props = defineProps<{ question: Question }>();
 const inputElement = ref<HTMLElement>(null as any);
 const model = computed(() => {
- const question = props.question;
- if (!question.dropdownListModel) {
- question.dropdownListModel = new DropdownListModel(question);
- }
  return props.question.dropdownListModel;
 });
 const click = (event: any) => {

src/knockout/components/dropdown/dropdown.ts

@@ -29,9 +29,6 @@ ko.components.register("sv-dropdown", {
  const focus = (_: any, e: any) => {
  q.dropdownListModel?.onFocus(e);
  };
- if (!q.dropdownListModel) {
- q.dropdownListModel = new DropdownListModel(params.question);
- }
  new ImplementorBase(q.dropdownListModel);
  return { question: q, model: q.dropdownListModel, click: click, clear: clear, keyhandler: keyhandler, blur: blur, focus: focus, chevronPointerDown: chevronPointerDown };
  },

src/react/dropdown-base.tsx

@@ -51,9 +51,6 @@ export class SurveyQuestionDropdownBase<T extends Question> extends SurveyQuesti
  {this.renderReadOnlyElement()}
  </div>;
  } else {
- if (!(this.question as any)["dropdownListModel"]) {
- (this.question as any)["dropdownListModel"] = new DropdownListModel(this.question);
- }
  selectElement = <>
  {this.renderInput(this.question["dropdownListModel"])}
  <Popup model={this.question?.dropdownListModel?.popupModel}></Popup>

src/vue/components/dropdown/dropdown.vue

@@ -119,9 +119,6 @@ export class DropdownComponent extends BaseVue {
  return this.question.dropdownListModel;
  }
  getModel() {
- if (!this.question.dropdownListModel) {
- this.question.dropdownListModel = new DropdownListModel(this.question);
- }
  return this.model;
  }