fix:修复saas模式下，筛选图标大小不一 (#3576)

Author: discreted66

packages/theme-saas/src/grid/filter.less

@@ -20,10 +20,12 @@
   }
 
   .@{grid-filter-prefix-cls}__btn {
-    @apply text-sm;
+    @apply text-md;
     @apply fill-color-icon-secondary;
     @apply cursor-pointer;
     @apply align-middle;
+    @apply w-4;
+    @apply h-4;
 
     &:hover {
       @apply fill-color-icon-hover;
@@ -261,7 +263,7 @@
           @apply mx-0;
 
           // Tiny 新增，使用tiny-button组件，删除表格内置button组件
-          .@{css-prefix}button[type="button"] {
+          .@{css-prefix}button[type='button'] {
             @apply m-0;
             @apply ml-2;
             @apply rounded;