discourse/app/assets/javascripts/admin/addon/templates/components/site-setting.hbs

<div class="setting-label">
  <h3>
    {{#if this.staffLogFilter}}
      {{this.settingName}}
      <LinkTo @route="adminLogs.staffActionLogs" @query={{hash filters=this.staffLogFilter force_refresh=true}} @title={{i18n "admin.settings.history"}}>
        <span class="history-icon">
          {{d-icon "history"}}
        </span>
      </LinkTo>
    {{else}}
      {{this.settingName}}
    {{/if}}
  </h3>
  {{#if this.defaultIsAvailable}}
    <a href onClick={{action "setDefaultValues"}}>{{this.setting.setDefaultValuesLabel}}</a>
  {{/if}}
</div>
<div class="setting-value">
  {{component this.componentName setting=this.setting value=this.buffered.value validationMessage=this.validationMessage preview=this.preview isSecret=this.isSecret allowAny=this.allowAny}}
</div>
{{#if this.dirty}}
  <div class="setting-controls">
    <DButton @class="ok" @action={{action "update"}} @icon="check" />
    <DButton @class="cancel" @action={{action "cancel"}} @icon="times" />
  </div>
{{else if this.setting.overridden}}
  {{#if this.setting.secret}}
    <DButton @action={{action "toggleSecret"}} @icon="far-eye-slash" />
  {{/if}}
  <DButton @class="btn-default undo" @action={{action "resetDefault"}} @icon="undo" @label="admin.settings.reset" />
{{/if}}