fix(input): revert disabled color

Author: shenjunjian

packages/theme-saas/src/input/index.less

@@ -47,7 +47,7 @@
   &.is-disabled &__inner {
     @apply cursor-not-allowed;
     @apply border border-solid border-color-border;
-    @apply text-color-text-disabled;
+    @apply text-color-text-secondary; // 231 环境特意要求颜色变浅， 不使用text-color-text-disabled 的
     @apply bg-color-bg-6;
     .placeholder(@color:theme('colors.color.text.disabled'));