<div id="{{id}}-group" class="form-group{{#compound}} form-group-compound{{/compound}}{{#error}} validation-error{{/error}}">
    <label for="{{id}}" class="{{labelClassName}}">
        {{{label}}}
        {{#hint}}<span {{$hintId}}id="{{hintId}}" {{/hintId}}class="form-hint">{{hint}}</span>{{/hint}}
        {{#error}}<span id="{{id}}-error" class="error-message">{{error.message}}</span>{{/error}}
    </label>
    <textarea
        name="{{id}}"
        id="{{id}}"
        class="form-control{{#className}} {{className}}{{/className}}{{#error}} invalid-input{{/error}}"
        aria-required="{{required}}"
        {{#maxlength}} maxlength="{{maxlength}}"{{/maxlength}}
        {{#attributes}}
            {{attribute}}="{{value}}"
        {{/attributes}}
        {{^error}}{{#hintId}} aria-describedby="{{hintId}}"{{/hintId}}{{/error}}
        {{#error}} aria-invalid="true" aria-describedby="{{id}}-error"{{/error}}
    >{{value}}</textarea>
</div>

<div id="{{id}}-group" class="form-group{{#compound}} form-group-compound{{/compound}}{{#error}} error{{/error}}">
    <label for="{{id}}" class="{{labelClassName}}">
        {{{label}}}
        {{#hint}}<span {{$hintId}}id="{{hintId}}" {{/hintId}}class="form-hint">{{hint}}</span>{{/hint}}
        {{#error}}<span id="{{id}}-error" class="error-message">{{error.message}}</span>{{/error}}
    </label>
    <textarea
        name="{{id}}"
        id="{{id}}"
        class="form-control{{#className}} {{className}}{{/className}}"
        aria-required="{{required}}"
        {{#maxlength}} maxlength="{{maxlength}}"{{/maxlength}}
        {{#attributes}}
            {{attribute}}="{{value}}"
        {{/attributes}}
        {{^error}}{{#hintId}} aria-describedby="{{hintId}}"{{/hintId}}{{/error}}
        {{#error}} aria-invalid="true" aria-describedby="{{id}}-error"{{/error}}
    >{{value}}</textarea>
</div>

Update texarea to use new styles
Update texarea to use new styles

* `validation-error` is now `error`
* Remove `invalid-input`, input styling is inherited using `.error .form-group .form-control`
