OZG-7591 fix e2e component

alfa-client/apps/admin-e2e/src/components/ods/text-editor.e2e.component.ts

 export class TextEditorE2eComponent {
   private readonly root: string;
+  private readonly input: string;
   private readonly validationError: string;
 
   constructor(root: string) {
     this.root = `${root}-text-editor`;
+    this.input = `${root}-text-input`;
     this.validationError = `${root}-text-editor-error`;
   }
 
   public getInput(): Cypress.Chainable<Element> {
-    return cy.getTestElement(this.root);
+    return cy.getTestElement(this.input);
   }
 
   public getErrorMessage(): Cypress.Chainable<Element> {