📦 Remove DatePicker legacy cell className (#21589)

components/date-picker/demo/date-render.md

@@ -28,7 +28,7 @@ ReactDOM.render(
           style.borderRadius = '50%';
         }
         return (
-          <div className="ant-calendar-date" style={style}>
+          <div className="ant-picker-cell-inner" style={style}>
             {current.date()}
           </div>
         );
@@ -42,7 +42,7 @@ ReactDOM.render(
           style.borderRadius = '50%';
         }
         return (
-          <div className="ant-calendar-date" style={style}>
+          <div className="ant-picker-cell-inner" style={style}>
             {current.date()}
           </div>
         );

components/date-picker/style/panel.less

@@ -1,7 +1,6 @@
 @import './index';
 
 @picker-cell-inner-cls: ~'@{picker-prefix-cls}-cell-inner';
-@picker-legacy-cell-cls: ~'@{ant-prefix}-calendar-date';
 
 .@{picker-prefix-cls} {
   @picker-arrow-size: 7px;
@@ -428,7 +427,6 @@
     }
 
     .picker-cell-inner(~'@{picker-cell-inner-cls}');
-    .picker-cell-inner(~'@{picker-legacy-cell-cls}');
   }
 
   &-decade-panel,
@@ -707,11 +705,12 @@
 // https://github.com/ant-design/ant-design/issues/21559
 // https://codepen.io/afc163-1472555193/pen/mdJRaNj?editors=0110
 /* stylelint-disable-next-line */
-_:-ms-fullscreen, :root {
+_:-ms-fullscreen,
+:root {
   .@{picker-prefix-cls}-range-wrapper {
     .@{picker-prefix-cls}-month-panel .@{picker-prefix-cls}-cell,
     .@{picker-prefix-cls}-year-panel .@{picker-prefix-cls}-cell {
       padding: 21px 0;
     }
   }
-}
+}

docs/react/migration-v4.en-US.md

@@ -116,6 +116,7 @@ const Demo = () => (
   - Provide the `picker` property for selector switching.
   - Range selection can now select start and end times individually.
   - `onPanelChange` will also trigger when panel value changed.
+  - [Date cell className of Custom style demo](/components/date-picker/#components-date-picker-demo-date-render) changed from `ant-calendar-date` to `ant-picker-cell-inner`.
 - Tree, Select, TreeSelect, AutoComplete rewrite
   - use virtual scrolling.
   - `onBlur` no longer trigger value change.

docs/react/migration-v4.zh-CN.md

@@ -116,6 +116,7 @@ const Demo = () => (
   - 提供 `picker` 属性用于选择器切换。
   - 范围选择现在可以单独选择开始和结束时间。
   - `onPanelChange` 在面板值变化时也会触发。
+  - [自定义单元格样式](/components/date-picker-cn/#components-date-picker-demo-date-render)的类名从 `ant-calendar-date` 改为 `ant-picker-cell-inner`。
 - Tree、Select、TreeSelect、AutoComplete 重新写
   - 使用虚拟滚动。
   - `onBlur` 时不再修改选中值。