fix: import vars correctly (#188)

fix(money-input): import vars correctly
fix(*-date-input): exclusion of first option group

Author: dferber90

src/components/inputs/money-input/money-input.js

@@ -11,7 +11,7 @@ import Contraints from '../../constraints';
 import styles from './money-input.mod.css';
 import currencies from './currencies.json';
 import createSelectStyles from '../../internals/create-select-styles';
-import * as vars from '../../../../materials/custom-properties.json';
+import vars from '../../../../materials/custom-properties.json';
 
 // overwrite styles of createSelectStyles
 const createCurrencySelectStyles = ({

src/components/internals/create-select-styles.js

@@ -161,7 +161,7 @@ const multiValueRemoveStyles = () => base => ({
 const groupStyles = () => base => ({
   ...base,
   padding: 0,
-  '&:not(:first-child)': {
+  '&:not(:firstChild)': {
     borderTop: `1px ${vars['--token-border-color-separator']} solid`,
   },
 });