fix: removes spinner background color, moves it to HOC

Author: itofarina

src/components/atoms/Spinner.tsx

@@ -18,7 +18,6 @@ const useStyles = makeStyles(() => ({
     display: 'flex',
     justifyContent: 'center',
     alignItems: 'center',
-    background: '#FFFFFF55',
   },
   spinner: {
     display: 'inline-block',

src/components/hoc/WithSpinner.tsx

@@ -7,6 +7,7 @@ const useStyles = makeStyles(() => ({
     position: 'relative',
   },
   spinnerWrapper: {
+    background: '#FFFFFF55',
     position: 'absolute',
   },
 }))