feat: Optimize SCSS architecture.

client/src/config/sidebarMenu.js

@@ -2,9 +2,6 @@
 import { FormattedMessage as T } from 'react-intl';
 
 export default [
-  {
-    spacer: 1,
-  },
   {
     text: <T id={'homepage'} />,
     disabled: false,
@@ -97,7 +94,7 @@ export default [
     divider: true,
   },
   {
-    text: <T id={'financial_accounting'} />,
+    text: <T id={'financial'} />,
     label: true,
   },
   {