style: research domain use textarea

src/app/features/admin/research-domain/components/presentationals/admin-research-domain-form/admin-research-domain-form.presentational.html

@@ -26,11 +26,12 @@
   <ng-container *ngFor="let language of languages">
     <mat-form-field *ngIf="getFormControl(language.resId) as fd">
       <mat-label>{{language.resId}}</mat-label>
-      <input matInput
-             [formControl]="fd"
-             [solidifyValidation]="errors"
-             [required]="formValidationHelper.hasRequiredField(fd)"
+      <textarea matInput
+                [formControl]="fd"
+                [solidifyValidation]="errors"
+                [required]="formValidationHelper.hasRequiredField(fd)"
       >
+      </textarea>
       <mat-error #errors></mat-error>
     </mat-form-field>
   </ng-container>