fix(slider): fix slider last dot can’t click (#8246)

Author: MonsterXue

components/slider/style/index.tsx

@@ -182,6 +182,7 @@ const genBaseStyle: GenerateStyle<SliderToken> = token => {
         borderRadius: '50%',
         cursor: 'pointer',
         transition: `border-color ${token.motionDurationSlow}`,
+        pointerEvents: 'auto',
 
         '&-active': {
           borderColor: token.colorPrimaryBorder,