be consistent in these import paths

Author: davidmurdoch

ui/css/index.scss

@@ -1,19 +1,19 @@
 /*
   MetaMask design system imports
 */
-@import 'reset.scss';
+@import './reset.scss';
 @import './utilities/fonts.scss';
 @import './utilities/pending-colors.scss';
-@import 'utilities/colors.scss';
-@import 'base-styles.scss';
+@import './utilities/colors.scss';
+@import './base-styles.scss';
 @import '../components/component-library/component-library-components.scss';
 @import '../components/app/app-components';
 @import '../components/ui/ui-components';
 @import '../components/institutional/institutional-components';
 @import '../components/multichain/multichain-components.scss';
 @import '../pages/pages';
-@import 'errors.scss';
-@import 'loading.scss';
+@import './errors.scss';
+@import './loading.scss';
 
 /*
   ITCSS