Fix kapacitor rules page checkbox JSX.

ui/src/kapacitor/containers/KapacitorRulesPage.js

@@ -148,7 +148,14 @@ export const KapacitorRulesPage = React.createClass({
           <td className="monotype">{rule.alerts.join(', ')}</td>
           <td className="monotype text-center">
             <div className="dark-checkbox">
-              <input id="kapacitor-enabled" className="form-control-static" type="checkbox" ref={(r) => this.enabled = r} checked={rule.status === "enabled"} onClick={(e) => this.handleRuleStatus(e, rule)} />
+              <input
+                id="kapacitor-enabled"
+                className="form-control-static"
+                type="checkbox"
+                ref={(r) => this.enabled = r}
+                defaultChecked={rule.status === "enabled"}
+                onClick={(e) => this.handleRuleStatus(e, rule)}
+              />
               <label htmlFor="kapacitor-enabled"></label>
             </div>
           </td>