fix(striker-ui): adjust disabled colour in ContainedButton

striker-ui/components/ContainedButton.tsx

@@ -1,7 +1,12 @@
-import { Button as MUIButton, SxProps, Theme } from '@mui/material';
+import {
+  Button as MUIButton,
+  buttonClasses as muiButtonClasses,
+  SxProps,
+  Theme,
+} from '@mui/material';
 import { FC, useMemo } from 'react';
 
-import { BLACK, GREY } from '../lib/consts/DEFAULT_THEME';
+import { BLACK, DISABLED, GREY } from '../lib/consts/DEFAULT_THEME';
 
 const ContainedButton: FC<ContainedButtonProps> = ({ sx, ...restProps }) => {
   const combinedSx = useMemo<SxProps<Theme>>(
@@ -14,6 +19,10 @@ const ContainedButton: FC<ContainedButtonProps> = ({ sx, ...restProps }) => {
         backgroundColor: `${GREY}F0`,
       },
 
+      [`&.${muiButtonClasses.disabled}`]: {
+        backgroundColor: DISABLED,
+      },
+
       ...sx,
     }),
     [sx],