use error state and eslint cleanup

src/app/pages/admin/index.js

@@ -6,7 +6,6 @@ import PerformanceFeatureSettings from '../settings/performanceFeatureSettings';
 import { Container, Page } from '@newfold/ui-component-library';
 
 const Admin = () => {
-
 	return (
 		<Page title="Admin" className={ 'wppbh-app-settings-page' }>
 			<Container className={ 'wppbh-app-settings-container' }>

src/app/pages/settings/helpCenterSettings.js

@@ -38,6 +38,7 @@ const HelpCenterSettings = () => {
 				setHelpCenter( ! helpCenter );
 			} else {
 				setHelpCenterLocked( true );
+				setError( true );
 				notifyError();
 			}
 		} );

src/app/pages/settings/performanceFeatureSettings.js

@@ -37,6 +37,7 @@ const PerformanceFeatureSettings = () => {
 				setPerformance( ! performance );
 			} else {
 				setPerformanceLocked( true );
+				setError( true );
 				notifyError();
 			}
 		} );

src/app/pages/settings/stagingFeatureSettings.js

@@ -34,6 +34,7 @@ const StagingFeatureSettings = () => {
 				setStaging( ! staging );
 			} else {
 				setStagingLocked( true );
+				setError( true );
 				notifyError();
 			}
 		} );

src/app/pages/settings/wonderBlocksSettings.js

@@ -40,6 +40,7 @@ const WonderBlocksSettings = () => {
 				setWonderBlocks( ! wonderBlocks );
 			} else {
 				setWonderBlocksLocked( true );
+				setError( true );
 				notifyError();
 			}
 		} );

src/app/util/helpers.js

@@ -70,10 +70,12 @@ export const featureToggle = async ( featureName, thenCallback ) => {
 };
 
 /**
- * Helper to update UI elements with a class
- * @param {boolean} enabled whether the element should be activated or deactivated
- * @param {string} selector the css selector to find the element
- * @param {string} className the css class to add/remove
+ * Helper to update UI elements as features are enabled/disabled
+ *
+ * @param {string}  selector    css selector to find the element
+ * @param {boolean} enabled     whether the element is now activated/deactivated
+ * @param {string}  className   the css class to add/remove - default 'nfd-disabled'
+ * @param {boolean} forceReload whether this update requires a forced page reload - default false
  */
 export const updateUI = (
 	selector,