[DURACOM-304] other fix related to accessibility

Author: alisaismailati

src/app/process-page/form/scripts-select/scripts-select.component.html

@@ -8,7 +8,7 @@
              placeholder="{{'process.new.select-script.placeholder' | translate}}"
              [ngModelOptions]="{standalone: true}"
              ngbDropdownToggle
-             role="button"
+             role="combobox"
              #script="ngModel">
       <div ngbDropdownMenu aria-labelledby="process-script" class="w-100 scrollable-menu"
             role="menu"