fix: Fix identifier on association-select

src/component/view/bootstrap/association-select.html

@@ -1,6 +1,6 @@
<template>
  <select name.bind="name" class="form-control" value.bind="value" multiple.bind="multiple" disabled.bind="disabled">
    <option selected disabled.bind="!hidePlaceholder && !selectablePlaceholder" model.bind="placeholderValue" show.bind="!hidePlaceholder" t="[html]${placeholderText || '- Select a value -'}">${placeholderText || '- Select a value -'}</option>
    <option model.bind="option.id" repeat.for="option of options">${option[property]}</option>
    <option model.bind="option[identifier]" repeat.for="option of options">${option[property]}</option>
  </select>
</template>